add update to proxmox and synology ha cluster

This commit is contained in:
2020-02-13 16:24:48 +08:00
parent a726820c4b
commit 32dde4d676
140 changed files with 9265 additions and 1261 deletions

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<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured odd excerpt">
<a class="featured-image-link" href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-18.jpg"></div></a>
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<span class="date">17 January</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
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<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/ "> [筆記] 測試 proxmox 存取由 synology HA cluster 分享的NFS 目錄 / Proxmox With Synology High Availability </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+</p>
<p>詳情請看 <a href="https://h.cowbay.org/post/first-try-synology-ha/">https://h.cowbay.org/post/first-try-synology-ha/</a></p>
<p>今天趁尾牙前夕,手邊沒啥要緊事</p>
<p>就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<span class="date">10 January</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/first-try-synology-ha/ "> [筆記] 第一次玩 Synology High Availability / first try synology high availability </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>上禮拜,原本擔任 proxmox cluster 的主要 storage 的 ds415+ 掛點了</p>
<p>原因應該就是之前的 intel c2000 series cpu 的 bug</p>
<p>只是不知道為什麼這台兩三年來都沒有關機的NAS</p>
<p>比其他三台多撐了那麼久 (已經有兩台送修回來,一台也是同樣症狀,被放在一邊)</p>
<p>趁著這次機會,看看網路上說的換電阻大法有沒有用!</p>
<p>如果有用,就拿這兩台來玩玩 synology high availability !</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/first-try-synology-ha/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<span class="date">07 January</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/postgresql-pgbench-benchmark/ "> [筆記] postgresql 效能測試 / postgresql benchmakr using pgbench </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>昨天老闆在slack 上面問說現在的幾台 DB Server 有沒有跑過 pgbench</p>
<p>分數大概如何,想要跟他的筆電做個比較</p>
<p>之前有跑過幾次,這次就順便測試一下不同的硬體配置、以及不同的軟體版本</p>
<p>對於pgbench 跑分會有多大的影響</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/postgresql-pgbench-benchmark/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<a class="featured-image-link" href="https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
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<span class="date">03 January</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/ "> [筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 / rescue synology nas with ubuntu livecd </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>2020/01/02 , 2020年上工的第一天群暉的 DS415+ NAS 掛了!</p>
<p>因為群暉的文件在最關鍵的一步寫得亂七八糟!</p>
<p>所以在這邊紀錄一下我操作的步驟!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<item>
<title>[筆記] 測試 proxmox 存取由 synology HA cluster 分享的NFS 目錄 / Proxmox With Synology High Availability</title>
<link>https://h.cowbay.org/post/proxmox-with-synology-high-availability/</link>
<pubDate>Fri, 17 Jan 2020 12:20:33 +0800</pubDate>
<guid>https://h.cowbay.org/post/proxmox-with-synology-high-availability/</guid>
<description>&lt;p&gt;前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+&lt;/p&gt;
&lt;p&gt;詳情請看 &lt;a href=&#34;https://h.cowbay.org/post/first-try-synology-ha/&#34;&gt;https://h.cowbay.org/post/first-try-synology-ha/&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;今天趁尾牙前夕,手邊沒啥要緊事&lt;/p&gt;
&lt;p&gt;就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] 第一次玩 Synology High Availability / first try synology high availability</title>
<link>https://h.cowbay.org/post/first-try-synology-ha/</link>
<pubDate>Fri, 10 Jan 2020 09:48:18 +0800</pubDate>
<guid>https://h.cowbay.org/post/first-try-synology-ha/</guid>
<description>&lt;p&gt;上禮拜,原本擔任 proxmox cluster 的主要 storage 的 ds415+ 掛點了&lt;/p&gt;
&lt;p&gt;原因應該就是之前的 intel c2000 series cpu 的 bug&lt;/p&gt;
&lt;p&gt;只是不知道為什麼這台兩三年來都沒有關機的NAS&lt;/p&gt;
&lt;p&gt;比其他三台多撐了那麼久 (已經有兩台送修回來,一台也是同樣症狀,被放在一邊)&lt;/p&gt;
&lt;p&gt;趁著這次機會,看看網路上說的換電阻大法有沒有用!&lt;/p&gt;
&lt;p&gt;如果有用,就拿這兩台來玩玩 synology high availability !&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] postgresql 效能測試 / postgresql benchmakr using pgbench</title>
<link>https://h.cowbay.org/post/postgresql-pgbench-benchmark/</link>
<pubDate>Tue, 07 Jan 2020 11:18:59 +0800</pubDate>
<guid>https://h.cowbay.org/post/postgresql-pgbench-benchmark/</guid>
<description>&lt;p&gt;昨天老闆在slack 上面問說現在的幾台 DB Server 有沒有跑過 pgbench&lt;/p&gt;
&lt;p&gt;分數大概如何,想要跟他的筆電做個比較&lt;/p&gt;
&lt;p&gt;之前有跑過幾次,這次就順便測試一下不同的硬體配置、以及不同的軟體版本&lt;/p&gt;
&lt;p&gt;對於pgbench 跑分會有多大的影響&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 / rescue synology nas with ubuntu livecd</title>
<link>https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/</link>
<pubDate>Fri, 03 Jan 2020 15:43:45 +0800</pubDate>
<guid>https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/</guid>
<description>&lt;p&gt;2020/01/02 , 2020年上工的第一天群暉的 DS415+ NAS 掛了!&lt;/p&gt;
&lt;p&gt;因為群暉的文件在最關鍵的一步寫得亂七八糟!&lt;/p&gt;
&lt;p&gt;所以在這邊紀錄一下我操作的步驟!&lt;/p&gt;</description>
</item>
<item>
<title>[筆記]在ansible中取得loop register後的值/ Ansible Get Value From Loop Register</title>
<link>https://h.cowbay.org/post/ansible-get-value-from-loop-register/</link>

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Category: 雜念
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<span class="date">03 January</span>
<span> / </span>
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<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
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<a href="https://h.cowbay.org/post/what-a-piss-in-synology-document/ "> [碎念] Synology 群暉的文件不知道在工三小 / what a piss in synology document </a>
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<p>2020/01/02 2020 上工的第一天,公司碩果僅存的唯一一台 Synology DS415+ 也終於掛了</p>
<p>開機沒多久就連不上,反覆幾次之後,出現了開機時所有燈號都狂閃的狀況</p>
<p>終於宣告不治</p>
<p>問題很明顯的就是Intel C2000 系列 CPU 的瑕疵</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/what-a-piss-in-synology-document/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<title>[碎念] Synology 群暉的文件不知道在工三小 / what a piss in synology document</title>
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<description>&lt;p&gt;2020/01/02 2020 上工的第一天,公司碩果僅存的唯一一台 Synology DS415+ 也終於掛了&lt;/p&gt;
&lt;p&gt;開機沒多久就連不上,反覆幾次之後,出現了開機時所有燈號都狂閃的狀況&lt;/p&gt;
&lt;p&gt;終於宣告不治&lt;/p&gt;
&lt;p&gt;問題很明顯的就是Intel C2000 系列 CPU 的瑕疵&lt;/p&gt;</description>
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@@ -113,6 +113,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
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<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
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@@ -594,7 +598,7 @@ title="pinterest icon"></i>
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@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
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@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-get-value-from-loop-register/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-18.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">27 December</span>
<span class="date">17 January</span>
@@ -315,20 +319,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ansible-get-value-from-loop-register/ "> [筆記]在ansible中取得loop register後的值/ Ansible Get Value From Loop Register </a>
<a href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/ "> [筆記] 測試 proxmox 存取由 synology HA cluster 分享的NFS 目錄 / Proxmox With Synology High Availability </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>今天在寫一支客製化 firefox 的playbook</p>
<p>前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+</p>
<p>因為firefox 會給每個user 建立一個由亂數字串組成的default profile</p>
<p>詳情請看 <a href="https://h.cowbay.org/post/first-try-synology-ha/">https://h.cowbay.org/post/first-try-synology-ha/</a></p>
<p>所以每個user的 default profile 都不同</p>
<p>今天趁尾牙前夕,手邊沒啥要緊事</p>
<p>也因此在用register處理的時候碰到了一些問題</p>
<p>就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-get-value-from-loop-register/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
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@@ -346,12 +350,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-ssh-forwardagent/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-14.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/first-try-synology-ha/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-13.jpg"></div></a>
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<span class="date">24 December</span>
<span class="date">10 January</span>
@@ -373,22 +377,24 @@ if (!doNotTrack) {
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ansible-ssh-forwardagent/ "> [筆記] ansible 設定 ssh_args 開啟 ForwardX11 / config ansible ssh_args to enable forwardagent </a>
<a href="https://h.cowbay.org/post/first-try-synology-ha/ "> [筆記] 第一次玩 Synology High Availability / first try synology high availability </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>正確來說,我不曉得到底怎麼「稱呼」這個 forwardx11 / forwardagent</p>
<p>上禮拜,原本擔任 proxmox cluster 的主要 storage 的 ds415+ 掛點了</p>
<p>總之就是在寫一隻ansible playbook</p>
<p>原因應該就是之前的 intel c2000 series cpu 的 bug</p>
<p>目的是用來安裝、設定 firefox</p>
<p>只是不知道為什麼這台兩三年來都沒有關機的NAS</p>
<p>包含安裝 firefox addon</p>
<p>比其他三台多撐了那麼久 (已經有兩台送修回來,一台也是同樣症狀,被放在一邊)</p>
<p>但是一開始在執行的時候,碰到了一些錯誤</p>
<p>趁著這次機會,看看網路上說的換電阻大法有沒有用!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-ssh-forwardagent/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>如果有用,就拿這兩台來玩玩 synology high availability !</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/first-try-synology-ha/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
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@@ -406,12 +412,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/test-pg_prewarm/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/postgresql-pgbench-benchmark/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-17.jpg"></div></a>
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<span class="date">20 December</span>
<span class="date">07 January</span>
@@ -433,24 +439,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/test-pg_prewarm/ "> [筆記] 測試 postgresql 的pg_prewarm 對效能的影響 / test pg_prewarm in postgresql 11 </a>
<a href="https://h.cowbay.org/post/postgresql-pgbench-benchmark/ "> [筆記] postgresql 效能測試 / postgresql benchmakr using pgbench </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>老闆提到想要把新系統的 postgresql 資料庫都撈到記憶體裡面</p>
<p>昨天老闆在slack 上面問說現在的幾台 DB Server 有沒有跑過 pgbench</p>
<p>但是否決了我提出的ramdisk 作法(因為當機的話,資料就沒了)</p>
<p>分數大概如何,想要跟他的筆電做個比較</p>
<p>在找資料的時候發現了這個postgresql 的 pg_prewarm extension</p>
<p>之前有跑過幾次,這次就順便測試一下不同的硬體配置、以及不同的軟體版本</p>
<p>好像有點意思?就來測試看看吧!</p>
<p>對於pgbench 跑分會有多大的影響</p>
<p>只是目前還不知道該怎麼解讀測試的數據就是了&hellip;</p>
<p>幹!林北真的不是 DBA 啦 =.=</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/test-pg_prewarm/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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@@ -468,12 +470,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/accidentally-typed-an-extra-space-in-ansible-playbook/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
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<span class="date">18 December</span>
<span class="date">03 January</span>
@@ -495,18 +497,18 @@ if (!doNotTrack) {
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/accidentally-typed-an-extra-space-in-ansible-playbook/ "> [筆記] 在ansible playbook中不小心多打了一個空格 / Accidentally Typed an Extra Space in Ansible Playbook </a>
<a href="https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/ "> [筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 / rescue synology nas with ubuntu livecd </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>剛剛在跑一個修改過的playbook卻發現一個詭異的狀況</p>
<p>2020/01/02 , 2020年上工的第一天群暉的 DS415+ NAS 掛了!</p>
<p>在用template產生檔案之前爲了避免錯誤所以我先用 file module 去建立目錄</p>
<p>因為群暉的文件在最關鍵的一步寫得亂七八糟!</p>
<p>怪就怪在建立目錄的task沒錯但是要產生檔案時卻出現了目的目錄不存在的錯誤</p>
<p>所以在這邊紀錄一下我操作的步驟!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/accidentally-typed-an-extra-space-in-ansible-playbook/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
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@@ -524,12 +526,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/add-system-wide-favorite-apps-in-dconf/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-2.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/what-a-piss-in-synology-document/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-16.jpg"></div></a>
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<span class="date">16 December</span>
<span class="date">03 January</span>
@@ -545,26 +547,26 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/add-system-wide-favorite-apps-in-dconf/ "> 在ubuntu 18.04中,透過 dconf 設定系統層級的「我的最愛」/ Add System Wide Favorite Apps in dock with Dconf in ubuntu 18.04 </a>
<a href="https://h.cowbay.org/post/what-a-piss-in-synology-document/ "> [碎念] Synology 群暉的文件不知道在工三小 / what a piss in synology document </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這幾天在ansible 寫了一份新的playbook給developer 用</p>
<p>2020/01/02 2020 上工的第一天,公司碩果僅存的唯一一台 Synology DS415+ 也終於掛了</p>
<p>然後user反映說希望能在ubuntu 18.04 內建的dock 裏面新增一個gnome-terminal的icon</p>
<p>開機沒多久就連不上,反覆幾次之後,出現了開機時所有燈號都狂閃的狀況</p>
<p>我才發現原來之前的寫法不能用在 ubuntu 18.04 上</p>
<p>終於宣告不治</p>
<p>只好又弄了一份出來</p>
<p>問題很明顯的就是Intel C2000 系列 CPU 的瑕疵</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/add-system-wide-favorite-apps-in-dconf/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/what-a-piss-in-synology-document/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -677,7 +679,16 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<a class="page-numbers" href="/page/11/">11</a>
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@@ -6,11 +6,88 @@
<description>Recent content on MC部落</description>
<generator>Hugo -- gohugo.io</generator>
<language>en-us</language>
<lastBuildDate>Fri, 27 Dec 2019 09:09:05 +0800</lastBuildDate>
<lastBuildDate>Fri, 17 Jan 2020 12:20:33 +0800</lastBuildDate>
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<title>[筆記] 測試 proxmox 存取由 synology HA cluster 分享的NFS 目錄 / Proxmox With Synology High Availability</title>
<link>https://h.cowbay.org/post/proxmox-with-synology-high-availability/</link>
<pubDate>Fri, 17 Jan 2020 12:20:33 +0800</pubDate>
<guid>https://h.cowbay.org/post/proxmox-with-synology-high-availability/</guid>
<description>&lt;p&gt;前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+&lt;/p&gt;
&lt;p&gt;詳情請看 &lt;a href=&#34;https://h.cowbay.org/post/first-try-synology-ha/&#34;&gt;https://h.cowbay.org/post/first-try-synology-ha/&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;今天趁尾牙前夕,手邊沒啥要緊事&lt;/p&gt;
&lt;p&gt;就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] 第一次玩 Synology High Availability / first try synology high availability</title>
<link>https://h.cowbay.org/post/first-try-synology-ha/</link>
<pubDate>Fri, 10 Jan 2020 09:48:18 +0800</pubDate>
<guid>https://h.cowbay.org/post/first-try-synology-ha/</guid>
<description>&lt;p&gt;上禮拜,原本擔任 proxmox cluster 的主要 storage 的 ds415+ 掛點了&lt;/p&gt;
&lt;p&gt;原因應該就是之前的 intel c2000 series cpu 的 bug&lt;/p&gt;
&lt;p&gt;只是不知道為什麼這台兩三年來都沒有關機的NAS&lt;/p&gt;
&lt;p&gt;比其他三台多撐了那麼久 (已經有兩台送修回來,一台也是同樣症狀,被放在一邊)&lt;/p&gt;
&lt;p&gt;趁著這次機會,看看網路上說的換電阻大法有沒有用!&lt;/p&gt;
&lt;p&gt;如果有用,就拿這兩台來玩玩 synology high availability !&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] postgresql 效能測試 / postgresql benchmakr using pgbench</title>
<link>https://h.cowbay.org/post/postgresql-pgbench-benchmark/</link>
<pubDate>Tue, 07 Jan 2020 11:18:59 +0800</pubDate>
<guid>https://h.cowbay.org/post/postgresql-pgbench-benchmark/</guid>
<description>&lt;p&gt;昨天老闆在slack 上面問說現在的幾台 DB Server 有沒有跑過 pgbench&lt;/p&gt;
&lt;p&gt;分數大概如何,想要跟他的筆電做個比較&lt;/p&gt;
&lt;p&gt;之前有跑過幾次,這次就順便測試一下不同的硬體配置、以及不同的軟體版本&lt;/p&gt;
&lt;p&gt;對於pgbench 跑分會有多大的影響&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 / rescue synology nas with ubuntu livecd</title>
<link>https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/</link>
<pubDate>Fri, 03 Jan 2020 15:43:45 +0800</pubDate>
<guid>https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/</guid>
<description>&lt;p&gt;2020/01/02 , 2020年上工的第一天群暉的 DS415+ NAS 掛了!&lt;/p&gt;
&lt;p&gt;因為群暉的文件在最關鍵的一步寫得亂七八糟!&lt;/p&gt;
&lt;p&gt;所以在這邊紀錄一下我操作的步驟!&lt;/p&gt;</description>
</item>
<item>
<title>[碎念] Synology 群暉的文件不知道在工三小 / what a piss in synology document</title>
<link>https://h.cowbay.org/post/what-a-piss-in-synology-document/</link>
<pubDate>Fri, 03 Jan 2020 11:45:56 +0800</pubDate>
<guid>https://h.cowbay.org/post/what-a-piss-in-synology-document/</guid>
<description>&lt;p&gt;2020/01/02 2020 上工的第一天,公司碩果僅存的唯一一台 Synology DS415+ 也終於掛了&lt;/p&gt;
&lt;p&gt;開機沒多久就連不上,反覆幾次之後,出現了開機時所有燈號都狂閃的狀況&lt;/p&gt;
&lt;p&gt;終於宣告不治&lt;/p&gt;
&lt;p&gt;問題很明顯的就是Intel C2000 系列 CPU 的瑕疵&lt;/p&gt;</description>
</item>
<item>
<title>[筆記]在ansible中取得loop register後的值/ Ansible Get Value From Loop Register</title>
<link>https://h.cowbay.org/post/ansible-get-value-from-loop-register/</link>

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@@ -21,9 +21,9 @@
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"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
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@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
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<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
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@@ -288,7 +292,282 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/bookstack-docker/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-12.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-selectattr/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-1.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">27 November</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
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<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ansible-selectattr/ "> [筆記] Ansible how to use &#39;list&#39; in yaml file </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這幾天在玩ansible 時,碰到一個問題</p>
<p>假如我有個yaml檔作為資料來源檔名是 abc.yml</p>
<p>大概長這樣</p>
<pre><code> &quot;teams&quot;: [
{
&quot;chinese_name&quot;: &quot;TEAM1&quot;,
&quot;description&quot;: &quot;TEAM1&quot;,
&quot;gid&quot;: 10125,
&quot;location&quot;: [
&quot;hq&quot;
],
&quot;name&quot;: &quot;aa&quot;,
&quot;users&quot;: [
&quot;chen&quot;,
&quot;chou&quot;,
&quot;huani&quot;,
&quot;yey&quot;,
&quot;wa&quot;
]
},
{
&quot;chinese_name&quot;: &quot;TEAM2&quot;,
&quot;description&quot;: &quot;TEAM2&quot;,
&quot;gid&quot;: 10126,
&quot;location&quot;: [
&quot;hq&quot;
],
&quot;name&quot;: &quot;bb&quot;,
&quot;users&quot;: [
&quot;chhiao&quot;,
&quot;chgc&quot;,
&quot;chy&quot;,
&quot;hsi&quot;,
&quot;li&quot;,
&quot;li&quot;,
&quot;chgchi&quot;
]
}
]
</code></pre>
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<a class="featured-image-link" href="https://h.cowbay.org/post/change-preferred-language-in-firefox/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
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<div class="excerpt-meta">
<span class="date">15 November</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/change-preferred-language-in-firefox/ "> [筆記] 為了metabase 修改 firefox 開啟網頁時使用的預設語言 change the preferred language in firefox for metabase </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近在測試metabase記得幾個月前就有測試過</p>
<p>但是當時的界面和現在的樣子差很多,看樣子改版還滿勤勞的</p>
<p>所以這次改用docker來建立根本五分鐘不到就建好了(挖鼻孔)</p>
<p>不過呢,很討厭的是,一進去就發現語系採用的是簡體中文</p>
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<a class="featured-image-link" href="https://h.cowbay.org/post/copy_role_in_pgsql/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
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<div class="excerpt-meta">
<span class="date">12 November</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/copy_role_in_pgsql/ "> PostgreSQL 直接從已經存在的使用者複製權限到另一個使用者 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>因為工作上的需求有個資料庫需要開放給不同team的人去存取</p>
<p>雖然都是在同一台機器上的同一個資料庫</p>
<p>但是希望能夠不同team的人用不同的資料庫使用者</p>
<p>這樣萬一出事,會比較好抓兇手??</p>
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<div class="excerpt-meta">
<span class="date">08 November</span>
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<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
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<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/weird-client-server-connection/ "> [筆記] 詭異的client&amp;server間連線的問題或許跟KVM有關係 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這是發生在一個夜黑風高的寂寥深夜&hellip;.. ( What The FXXX &hellip; )</p>
<p>來到這個環境之後,有一個很詭異的狀況一直困擾著我</p>
<p>在每個分公司都會有一台伺服器作為KVM Host</p>
<p>上面跑兩台VM一台作為ansible controller (目前沒作用)</p>
<p>另一台作為這邊所謂的 &ldquo;Build Server&rdquo;</p>
<p>用途包含了DHCP Server / Proxy Server (squid3) / APT Proxy (squid-deb-proxy)</p>
<p>問題就發生在這台 Build Server 上&hellip;</p>
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<a class="featured-image-link" href="https://h.cowbay.org/post/nice-du-report-tool-durep/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
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@@ -315,95 +594,19 @@ if (!doNotTrack) {
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<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/bookstack-docker/ "> Bookstack Docker </a>
<a href="https://h.cowbay.org/post/nice-du-report-tool-durep/ "> Nice Du Report Tool Durep </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>Bookstack 是一套非常好用的線上&rdquo;筆記&rdquo;系統</p>
<p>最近在重新規劃前人留下的backup爛攤子
各個伺服器統一備份到一台backup storage
想說如果每天能夠看到backup storage的磁碟用量的話
就可以抓出備份空間成長速度、推估需要多大的磁碟空間
找了一些工具,結果發現 durep 這個 ubuntu 內建的工具
基本上可以滿足我的需求</p>
<p>他用圖書館/書本的概念,讓使用者可以建立自己的&rdquo;圖書館&rdquo;</p>
<p>同時在圖書館內建立不同的&rdquo;書籍&rdquo;</p>
<p>而且支援 Markdown 語法</p>
<p>其他的方式像是在nextcloud上編輯 md檔案(字體太小)</p>
<p>或者是boostnote(只能在本機)</p>
<p>都或多或少有點小缺點</p>
<p>Bookstack則是沒有這些問題不過就是系統「大」了點&hellip;</p>
<p>不過還好有人做成docker的方式來啟動大大的降低了建置的難度(其實也沒有很難啦只是要裝個PHP、弄個DB而已)</p>
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<a class="featured-image-link" href="https://h.cowbay.org/post/enable-synology-public-ssh/"><div class='featured-image lazy lazy-bg-image' data-background="https://i.imgur.com/jcDQmI1.png"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">05 November</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/enable-synology-public-ssh/ "> 筆記- 啟用群暉NAS (Synology NAS)的SSH Server 透過Publickey 認證免密碼登入 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>公司內有幾台NAS其中有一台用來放開發人員的postgresql dump file
之前都是主要的開發人員上傳到google drive分享出來 ,然後其他人去抓回來</p>
<p>這樣子有個問題是當server要存取這些檔案時就沒辦法了除非透過一些 3rd party的軟體
像是這篇</p>
<p><a href="https://www.omgubuntu.co.uk/2017/04/mount-google-drive-ocamlfuse-linux">https://www.omgubuntu.co.uk/2017/04/mount-google-drive-ocamlfuse-linux</a></p>
<p>或者是這篇</p>
<p><a href="https://www.maketecheasier.com/mount-google-drive-ubuntu/">https://www.maketecheasier.com/mount-google-drive-ubuntu/</a></p>
<p>但是手邊的伺服器原則上除非有必要不然都沒有開放internet
所以導致明明檔案就在那邊,但是要取得就是很麻煩</p>
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@@ -523,6 +726,19 @@ if (!doNotTrack) {
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<span class="date">06 November</span>
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<a href="https://h.cowbay.org/post/bookstack-docker/ "> Bookstack Docker </a>
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<article>
<p>Bookstack 是一套非常好用的線上&rdquo;筆記&rdquo;系統</p>
<p>他用圖書館/書本的概念,讓使用者可以建立自己的&rdquo;圖書館&rdquo;</p>
<p>同時在圖書館內建立不同的&rdquo;書籍&rdquo;</p>
<p>而且支援 Markdown 語法</p>
<p>其他的方式像是在nextcloud上編輯 md檔案(字體太小)</p>
<p>或者是boostnote(只能在本機)</p>
<p>都或多或少有點小缺點</p>
<p>Bookstack則是沒有這些問題不過就是系統「大」了點&hellip;</p>
<p>不過還好有人做成docker的方式來啟動大大的降低了建置的難度(其實也沒有很難啦只是要裝個PHP、弄個DB而已)</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/bookstack-docker/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<a class="featured-image-link" href="https://h.cowbay.org/post/enable-synology-public-ssh/"><div class='featured-image lazy lazy-bg-image' data-background="https://i.imgur.com/jcDQmI1.png"></div></a>
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<span class="date">05 November</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/enable-synology-public-ssh/ "> 筆記- 啟用群暉NAS (Synology NAS)的SSH Server 透過Publickey 認證免密碼登入 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>公司內有幾台NAS其中有一台用來放開發人員的postgresql dump file
之前都是主要的開發人員上傳到google drive分享出來 ,然後其他人去抓回來</p>
<p>這樣子有個問題是當server要存取這些檔案時就沒辦法了除非透過一些 3rd party的軟體
像是這篇</p>
<p><a href="https://www.omgubuntu.co.uk/2017/04/mount-google-drive-ocamlfuse-linux">https://www.omgubuntu.co.uk/2017/04/mount-google-drive-ocamlfuse-linux</a></p>
<p>或者是這篇</p>
<p><a href="https://www.maketecheasier.com/mount-google-drive-ubuntu/">https://www.maketecheasier.com/mount-google-drive-ubuntu/</a></p>
<p>但是手邊的伺服器原則上除非有必要不然都沒有開放internet
所以導致明明檔案就在那邊,但是要取得就是很麻煩</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/enable-synology-public-ssh/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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@@ -21,9 +21,9 @@
"publisher": "",
"accountablePerson" : "",
"copyrightHolder" : "",
"copyrightYear" : "2019",
"datePublished": "2019-12-27 09:09:05 \x2b0800 CST",
"dateModified" : "2019-12-27 09:09:05 \x2b0800 CST",
"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
"url" : "https:\/\/h.cowbay.org\/",
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@@ -46,9 +46,9 @@
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
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@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
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@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/ubuntu-dconf-proxy-settings/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-get-value-from-loop-register/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">31 October</span>
<span class="date">27 December</span>
@@ -315,28 +319,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ubuntu-dconf-proxy-settings/ "> [筆記] ubuntu 18.04 透過 dconf 修改系統 proxy / modify system proxy with dconf in ubuntu 18.04 </a>
<a href="https://h.cowbay.org/post/ansible-get-value-from-loop-register/ "> [筆記]在ansible中取得loop register後的值/ Ansible Get Value From Loop Register </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近在準備升級client 的作業系統,從 ubuntu 14.04 準備升級到 18.04 或明年的 20.04</p>
<p>今天在寫一支客製化 firefox 的playbook</p>
<p>因為公司政策的關係所以現在要連接internet ,需要申請</p>
<p>因為firefox 會給每個user 建立一個由亂數字串組成的default profile</p>
<p>然後 user 再去系統的proxy 設定新增一個 PAC 檔</p>
<p>所以每個user的 default profile 都不同</p>
<p>但是這個動作其實是去叫NetworkManager 這個服務</p>
<p>也因此在用register處理的時候碰到了一些問題</p>
<p>可是在18.04 上我會把這個服務關掉因為他會干擾我的DNS設定</p>
<p>所以想試試看有沒有辦法不使用 NetworkManager 服務</p>
<p>又能夠在 user level 修改 proxy 參數</p>
<p>就想到了用 dconf 來做</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ubuntu-dconf-proxy-settings/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-get-value-from-loop-register/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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@@ -354,12 +350,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/awesome-all-in-one-vpn-server-streisand/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-18.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-ssh-forwardagent/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-14.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">14 October</span>
<span class="date">24 December</span>
@@ -381,20 +377,22 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/awesome-all-in-one-vpn-server-streisand/ "> [筆記] 超強的ALL-in-One VPN Server streisand / Awesome All in One Vpn Server Streisand </a>
<a href="https://h.cowbay.org/post/ansible-ssh-forwardagent/ "> [筆記] ansible 設定 ssh_args 開啟 ForwardX11 / config ansible ssh_args to enable forwardagent </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近上班閒得發慌,沒事就上 github 找看看有沒有什麼好玩的專案</p>
<p>正確來說,我不曉得到底怎麼「稱呼」這個 forwardx11 / forwardagent</p>
<p>就不小心發現了這個 streisand</p>
<p>總之就是在寫一隻ansible playbook</p>
<p><a href="https://github.com/StreisandEffect/streisand">https://github.com/StreisandEffect/streisand</a></p>
<p>目的是用來安裝、設定 firefox</p>
<p>玩了一下發現這根本就是終極的VPN Server solution ..</p>
<p>包含安裝 firefox addon</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/awesome-all-in-one-vpn-server-streisand/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>但是一開始在執行的時候,碰到了一些錯誤</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-ssh-forwardagent/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
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@@ -412,12 +410,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/recommended-ulauncher-in-ubuntu-1804/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-16.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/test-pg_prewarm/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">04 October</span>
<span class="date">20 December</span>
@@ -433,22 +431,30 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/"></a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/recommended-ulauncher-in-ubuntu-1804/ "> [推薦] ulauncher ubuntu 18.04 底下,好用的 app launcher / Recommended Ulauncher in Ubuntu 1804 </a>
<a href="https://h.cowbay.org/post/test-pg_prewarm/ "> [筆記] 測試 postgresql 的pg_prewarm 對效能的影響 / test pg_prewarm in postgresql 11 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這兩天在找關於在 ubuntu 中做搜尋的軟體</p>
<p>老闆提到想要把新系統的 postgresql 資料庫都撈到記憶體裡面</p>
<p>意外找到一個非常好用的工具 ulauncher</p>
<p>但是否決了我提出的ramdisk 作法(因為當機的話,資料就沒了)</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/recommended-ulauncher-in-ubuntu-1804/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>在找資料的時候,發現了這個postgresql 的 pg_prewarm extension</p>
<p>好像有點意思?就來測試看看吧!</p>
<p>只是目前還不知道該怎麼解讀測試的數據就是了&hellip;</p>
<p>幹!林北真的不是 DBA 啦 =.=</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/test-pg_prewarm/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -466,12 +472,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/pg_auto_failover_in_ubuntu_1804_psql_11/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/accidentally-typed-an-extra-space-in-ansible-playbook/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">20 September</span>
<span class="date">18 December</span>
@@ -493,24 +499,18 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/pg_auto_failover_in_ubuntu_1804_psql_11/ "> [筆記] 在ubuntu 18.04安裝psql 11 以及 pg_auto_failover / install psql 11 and pg_auto_failover in ubuntu 18.04 </a>
<a href="https://h.cowbay.org/post/accidentally-typed-an-extra-space-in-ansible-playbook/ "> [筆記] 在ansible playbook中不小心多打了一個空格 / Accidentally Typed an Extra Space in Ansible Playbook </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近都在弄postgresql</p>
<p>剛剛在跑一個修改過的playbook卻發現一個詭異的狀況</p>
<p>備份、還原測試得差不多了,就等著看到時候要用什麼方式</p>
<p>在用template產生檔案之前爲了避免錯誤所以我先用 file module 去建立目錄</p>
<p>前幾天看到 pg_auto_failover 這個postgresql 的extension</p>
<p>怪就怪在建立目錄的task沒錯但是要產生檔案時卻出現了目的目錄不存在的錯誤</p>
<p><a href="https://github.com/citusdata/pg_auto_failover">https://github.com/citusdata/pg_auto_failover</a></p>
<p>感覺挺不錯的,看起來設定很簡單,雖然之前已經測試了 keepalived 做 HA</p>
<p>不過,反正當作練功嘛,多測試一套也不錯!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/pg_auto_failover_in_ubuntu_1804_psql_11/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/accidentally-typed-an-extra-space-in-ansible-playbook/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -528,12 +528,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/add-system-wide-favorite-apps-in-dconf/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-2.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">10 September</span>
<span class="date">16 December</span>
@@ -555,16 +555,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/ "> [筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd </a>
<a href="https://h.cowbay.org/post/add-system-wide-favorite-apps-in-dconf/ "> 在ubuntu 18.04中,透過 dconf 設定系統層級的「我的最愛」/ Add System Wide Favorite Apps in dock with Dconf in ubuntu 18.04 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>幾天在淘寶上買了個 SSK 的USB 3.1 Gen2 (type-c) NVME SSD 外接盒
手邊也剛好有一條多的intel 600p nvme ssd 就順手來做個比較
目標是看看有沒有可能直接用外接的SSD來跑postgresql</p>
<p>幾天在ansible 寫了一份新的playbook給developer 用</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>然後user反映說希望能在ubuntu 18.04 內建的dock 裏面新增一個gnome-terminal的icon</p>
<p>我才發現原來之前的寫法不能用在 ubuntu 18.04 上</p>
<p>只好又弄了一份出來</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/add-system-wide-favorite-apps-in-dconf/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -679,7 +683,16 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<a class="page-numbers" href="/page/11/">11</a>
@@ -823,7 +836,7 @@ if (!doNotTrack) {
</div>
<script src="https://h.cowbay.org/js/jquery.min.js"></script>
<script src="https://h.cowbay.org/js/jquerymigrate.js"></script>
<script src="https://h.cowbay.org/js/production.min.js?v=1577410044"></script>
<script src="https://h.cowbay.org/js/production.min.js?v=1581582274"></script>
</body>
</html>

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@@ -21,9 +21,9 @@
"publisher": "",
"accountablePerson" : "",
"copyrightHolder" : "",
"copyrightYear" : "2019",
"datePublished": "2019-12-27 09:09:05 \x2b0800 CST",
"dateModified" : "2019-12-27 09:09:05 \x2b0800 CST",
"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
"url" : "https:\/\/h.cowbay.org\/",
"wordCount" : "0",
"image" : "https://h.cowbay.org%!s(\u003cnil\u003e)"",
@@ -46,9 +46,9 @@
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
<link href="https://h.cowbay.org/css/style.css?v=1577410044" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/style.css?v=1581582274" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1577410044" rel="stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1581582274" rel="stylesheet" type='text/css' media='all'>
<link rel="shortcut icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
<link rel="icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</li>
</ul>
@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/postgresql-backup-restore-using-zfs-snapshot/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-5.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/ubuntu-dconf-proxy-settings/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">06 September</span>
<span class="date">31 October</span>
@@ -315,18 +319,28 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/postgresql-backup-restore-using-zfs-snapshot/ "> [筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot </a>
<a href="https://h.cowbay.org/post/ubuntu-dconf-proxy-settings/ "> [筆記] ubuntu 18.04 透過 dconf 修改系統 proxy / modify system proxy with dconf in ubuntu 18.04 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>前面測試了用pgbarman / pgbackrest 來備份 postgresql</p>
<p>最近在準備升級client 的作業系統,從 ubuntu 14.04 準備升級到 18.04 或明年的 20.04</p>
<p>這次改從system file level 來下手</p>
<p>因為公司政策的關係所以現在要連接internet ,需要申請</p>
<p>採用zfs 的快照來備份、還原postgresql 資料庫</p>
<p>然後 user 再去系統的proxy 設定新增一個 PAC 檔</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/postgresql-backup-restore-using-zfs-snapshot/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>但是這個動作其實是去叫NetworkManager 這個服務</p>
<p>可是在18.04 上我會把這個服務關掉因為他會干擾我的DNS設定</p>
<p>所以想試試看有沒有辦法不使用 NetworkManager 服務</p>
<p>又能夠在 user level 修改 proxy 參數</p>
<p>就想到了用 dconf 來做</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ubuntu-dconf-proxy-settings/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -344,12 +358,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/backup-restore-postgresql-with-pgbackrest/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-15.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/awesome-all-in-one-vpn-server-streisand/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-18.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">05 September</span>
<span class="date">14 October</span>
@@ -371,14 +385,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/backup-restore-postgresql-with-pgbackrest/ "> [筆記] 用pbackrest 備份還原 postgresql / Backup Restore Postgresql With Pgbackrest </a>
<a href="https://h.cowbay.org/post/awesome-all-in-one-vpn-server-streisand/ "> [筆記] 超強的ALL-in-One VPN Server streisand / Awesome All in One Vpn Server Streisand </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這兩天在測試pgbackrest ,簡單筆記一下測試狀況</p>
<p>最近上班閒得發慌,沒事就上 github 找看看有沒有什麼好玩的專案</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/backup-restore-postgresql-with-pgbackrest/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>就不小心發現了這個 streisand</p>
<p><a href="https://github.com/StreisandEffect/streisand">https://github.com/StreisandEffect/streisand</a></p>
<p>玩了一下發現這根本就是終極的VPN Server solution ..</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/awesome-all-in-one-vpn-server-streisand/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -396,12 +416,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10-via-ssh/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-4.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/recommended-ulauncher-in-ubuntu-1804/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-16.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">23 August</span>
<span class="date">04 October</span>
@@ -417,20 +437,22 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
<a href="/categories/"></a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10-via-ssh/ "> [筆記] 在Ubuntu 18.04 下 透過 pgbarman rsync/ssh backup 備份 postgresql 10 / backup postgresql 10 with pgbarman via ssh/rsync in ubuntu 18.04 </a>
<a href="https://h.cowbay.org/post/recommended-ulauncher-in-ubuntu-1804/ "> [推薦] ulauncher ubuntu 18.04 底下,好用的 app launcher / Recommended Ulauncher in Ubuntu 1804 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>篇繼續講 pgbarman 透過 rsync/ssh 來備份 postgresql 資料庫的方式</p>
<p>兩天在找關於在 ubuntu 中做搜尋的軟體</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10-via-ssh/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>意外找到一個非常好用的工具 ulauncher</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/recommended-ulauncher-in-ubuntu-1804/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -448,12 +470,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-4.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/pg_auto_failover_in_ubuntu_1804_psql_11/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">23 August</span>
<span class="date">20 September</span>
@@ -475,20 +497,24 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10/ "> [筆記] 在Ubuntu 18.04 下 透過 pgbarman streaming backup 備份 postgresql 10/ backup postgresql 10 with pgbarman straming backup in ubuntu 18.04 </a>
<a href="https://h.cowbay.org/post/pg_auto_failover_in_ubuntu_1804_psql_11/ "> [筆記] 在ubuntu 18.04安裝psql 11 以及 pg_auto_failover / install psql 11 and pg_auto_failover in ubuntu 18.04 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>很久以前就有看到這個用來備份postgresql 的 pgbarman</p>
<p>最近都在弄postgresql</p>
<p><a href="https://www.pgbarman.org/">https://www.pgbarman.org/</a></p>
<p>備份、還原測試得差不多了,就等著看到時候要用什麼方式</p>
<p>前幾天老闆在slack 上面又提到,所以這次就花了點時間來玩玩看</p>
<p>前幾天看到 pg_auto_failover 這個postgresql 的extension</p>
<p>不過呢,雖然有弄起來,但是還真不知道有些問題是怎麼解決的&hellip;</p>
<p><a href="https://github.com/citusdata/pg_auto_failover">https://github.com/citusdata/pg_auto_failover</a></p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>感覺挺不錯的,看起來設定很簡單,雖然之前已經測試了 keepalived 做 HA</p>
<p>不過,反正當作練功嘛,多測試一套也不錯!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/pg_auto_failover_in_ubuntu_1804_psql_11/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -506,12 +532,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/install-nvidia-driver-cuda-pgstrom-in-ubuntu-1804/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">20 August</span>
<span class="date">10 September</span>
@@ -533,20 +559,16 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/install-nvidia-driver-cuda-pgstrom-in-ubuntu-1804/ "> [筆記] 在ubuntu 18.04 下安裝nvidia 顯示卡驅動程式以及 pgstrom / Install Nvidia Driver Cuda Pgstrom in Ubuntu 1804 </a>
<a href="https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/ "> [筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>因為老闆說要試試看用GPU 來跑postgresql 威力</p>
<p>前幾天在淘寶上買了個 SSK 的USB 3.1 Gen2 (type-c) NVME SSD 外接盒
手邊也剛好有一條多的intel 600p nvme ssd 就順手來做個比較
目標是看看有沒有可能直接用外接的SSD來跑postgresql</p>
<p>手邊剛好有一張 geforce gt 720</p>
<p>一開始沒想太多看到有這張卡的驅動程式然後CUDA也有支援</p>
<p>就直接從桌機拔下來接去LAB Server ,然後就開始一連串的難關了&hellip;</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-nvidia-driver-cuda-pgstrom-in-ubuntu-1804/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -663,7 +685,16 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<a class="page-numbers" href="/page/11/">11</a>
@@ -807,7 +838,7 @@ if (!doNotTrack) {
</div>
<script src="https://h.cowbay.org/js/jquery.min.js"></script>
<script src="https://h.cowbay.org/js/jquerymigrate.js"></script>
<script src="https://h.cowbay.org/js/production.min.js?v=1577410044"></script>
<script src="https://h.cowbay.org/js/production.min.js?v=1581582274"></script>
</body>
</html>

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@@ -21,9 +21,9 @@
"publisher": "",
"accountablePerson" : "",
"copyrightHolder" : "",
"copyrightYear" : "2019",
"datePublished": "2019-12-27 09:09:05 \x2b0800 CST",
"dateModified" : "2019-12-27 09:09:05 \x2b0800 CST",
"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
"url" : "https:\/\/h.cowbay.org\/",
"wordCount" : "0",
"image" : "https://h.cowbay.org%!s(\u003cnil\u003e)"",
@@ -46,9 +46,9 @@
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<link href="https://h.cowbay.org/css/style.css?v=1577410044" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/style.css?v=1581582274" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1577410044" rel="stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1581582274" rel="stylesheet" type='text/css' media='all'>
<link rel="shortcut icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
<link rel="icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</li>
</ul>
@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-8.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/postgresql-backup-restore-using-zfs-snapshot/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-5.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">16 August</span>
<span class="date">06 September</span>
@@ -315,26 +319,18 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/ "> [筆記] 在gcp 中用wireguard建立VPN時不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP </a>
<a href="https://h.cowbay.org/post/postgresql-backup-restore-using-zfs-snapshot/ "> [筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近一直在玩 wireguard 先前把各個分公司和總部的VPN 改用 wireguard 建立</p>
<p>前面測試了用pgbarman / pgbackrest 來備份 postgresql</p>
<p>想說再打個VPN tunnel 來當跳板連 ptt 好了</p>
<p>這次改從system file level 來下手</p>
<p>因為wireguard 建立很簡單,而且又可以指定想要繞出去的路由,不會影響原本的網路環境</p>
<p>採用zfs 的快照來備份、還原postgresql 資料庫</p>
<p>本來是在vultr 的VPS上面建立這個tunnel</p>
<p>但是那台VPS連去ptt 很頓,卡卡的</p>
<p>所以改用google cloud platform 的free tier 來做</p>
<p>反正只是拿來當跳板,不會有什麼流量、運算產生,可以一直保持免費的狀態</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/postgresql-backup-restore-using-zfs-snapshot/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -352,12 +348,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/multiple-site-to-site-vpn-using-wireguard/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/backup-restore-postgresql-with-pgbackrest/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-15.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">13 August</span>
<span class="date">05 September</span>
@@ -379,24 +375,14 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/multiple-site-to-site-vpn-using-wireguard/ "> [筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard </a>
<a href="https://h.cowbay.org/post/backup-restore-postgresql-with-pgbackrest/ "> [筆記] 用pbackrest 備份還原 postgresql / Backup Restore Postgresql With Pgbackrest </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>因為實在受夠了現在用的 openwrt + strongswan 建立 IPSec VPN</p>
<p>這兩天在測試pgbackrest ,簡單筆記一下測試狀況</p>
<p>雖然說其實沒有什麼不好,但是畢竟不是我建立的,而當初的文件也都不見了</p>
<p>完全沒辦法了解當時設計的邏輯造成後續debug 困難</p>
<p>可以想像一下一台VPN router ping 不到remote、ping不到internet、甚至ping不到自己 是要怎麼debug !?(翻桌</p>
<p>之前買了兩台edgerouter X 拿來玩了一下 wireguard感覺還不錯不過只有測試到點對點</p>
<p>這次試試看躲在gateway後面看看能不能建立多點的VPN環境</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/multiple-site-to-site-vpn-using-wireguard/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/backup-restore-postgresql-with-pgbackrest/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -414,12 +400,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/site-to-site-vpn-using-wireguard-in-two-edgerouters/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-5.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10-via-ssh/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-4.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">06 August</span>
<span class="date">23 August</span>
@@ -441,32 +427,14 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/site-to-site-vpn-using-wireguard-in-two-edgerouters/ "> [筆記] 在edgerouter上用wireguard 建立site to site VPN / Site to Site Vpn Using Wireguard in Two Edgerouters </a>
<a href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10-via-ssh/ "> [筆記] 在Ubuntu 18.04 下 透過 pgbarman rsync/ssh backup 備份 postgresql 10 / backup postgresql 10 with pgbarman via ssh/rsync in ubuntu 18.04 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>之前總部和分公司之間 是用buffalo 的小AP 灌 openwrt</p>
<p>這篇繼續講 pgbarman 透過 rsync/ssh 來備份 postgresql 資料庫的方式</p>
<p>然後用strongswan 來打 IPSEC site to site VPN</p>
<p>config 看起來不是很難 (只是看起來)</p>
<p>但是實際上已經找不到當初的文件</p>
<p>所以要維護很困難(光那些RSA KEY 就不知道為何、如何產生)</p>
<p>後來採購了兩台edgerouter X 做測試</p>
<p>也用openvpn 成功的建立了 site to site VPN</p>
<p>本來想說 openvpn 已經夠簡單了</p>
<p>今天看到文章說用wireguard 可以更簡單</p>
<p>於是研究了一下,發現還真的很簡單!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/site-to-site-vpn-using-wireguard-in-two-edgerouters/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10-via-ssh/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -484,75 +452,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/another-way-to-keep-ansible-log/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-4.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">05 August</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/ansible">ansible</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/another-way-to-keep-ansible-log/ "> [筆記] 為了保存log 用script 指令執行ansible / Another Way to Keep Ansible Log using script command </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>之前為了能夠在執行完 ansible playbook 後能有個log 可以看</p>
<p>所以在每次執行的時候,都要加入 tee 的指令</p>
<p>像是</p>
<pre><code>ANSIBLE_CONFIG=/home/D/ansiblecontrol/ansible.cfg /usr/local/bin/ansible-playbook /home/D/ansiblecontrol/playbook.user_client.yml --vault-password-file=/home/D/ansiblecontrol/vault.passwd -i /home/D/ansiblecontrol/inventory/production -f1 --limit tyuserclients |tee /tmp/tyuserclients.log
</code></pre>
<p>一直都是放在crontab 裡面執行,也就沒有去管他</p>
<p>反正也沒有人關心結果怎樣 (攤手</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/another-way-to-keep-ansible-log/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
</div>
<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured odd excerpt">
<a class="featured-image-link" href="https://h.cowbay.org/post/send-mail-to-notify-after-pxe-install/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">31 July</span>
<span class="date">23 August</span>
@@ -574,28 +479,78 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/send-mail-to-notify-after-pxe-install/ "> [筆記] 用pxe 安裝系統,完成後送出郵件通知 / send mail notification after pxe install </a>
<a href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10/ "> [筆記] 在Ubuntu 18.04 下 透過 pgbarman streaming backup 備份 postgresql 10/ backup postgresql 10 with pgbarman straming backup in ubuntu 18.04 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近有個任務需要大量安裝client</p>
<p>很久以前就有看到這個用來備份postgresql 的 pgbarman</p>
<p>想用PXE來處理只要user開機按F12(acer 桌機) 選擇PXE Boot</p>
<p><a href="https://www.pgbarman.org/">https://www.pgbarman.org/</a></p>
<p>然後選擇OS版本就可以自動進行安裝</p>
<p>前幾天老闆在slack 上面又提到,所以這次就花了點時間來玩玩看</p>
<p>安裝完成後會自動重新開機接著就用ansible來做user環境設定</p>
<p>不過呢,雖然有弄起來,但是還真不知道有些問題是怎麼解決的&hellip;</p>
<p>PXE的部份本來是沒有什麼問題自動安裝系統的部份都做好了</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/pgbarman-in-ubuntu-1804-postgresql-10/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
</div>
<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured odd excerpt">
<p>可是因為這次的量比較多想說讓每一台在完成PXE安裝後的第一次重開機</p>
<a class="featured-image-link" href="https://h.cowbay.org/post/install-nvidia-driver-cuda-pgstrom-in-ubuntu-1804/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<p>就送出一封郵件來通知我說已經完成安裝可以執行ansible 了</p>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">20 August</span>
<p>看似很簡單的一件事情,卻搞了我兩天&hellip;.</p>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/send-mail-to-notify-after-pxe-install/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/install-nvidia-driver-cuda-pgstrom-in-ubuntu-1804/ "> [筆記] 在ubuntu 18.04 下安裝nvidia 顯示卡驅動程式以及 pgstrom / Install Nvidia Driver Cuda Pgstrom in Ubuntu 1804 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>因為老闆說要試試看用GPU 來跑postgresql 威力</p>
<p>手邊剛好有一張 geforce gt 720</p>
<p>一開始沒想太多看到有這張卡的驅動程式然後CUDA也有支援</p>
<p>就直接從桌機拔下來接去LAB Server ,然後就開始一連串的難關了&hellip;</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-nvidia-driver-cuda-pgstrom-in-ubuntu-1804/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -714,7 +669,16 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<a class="page-numbers" href="/page/11/">11</a>
@@ -858,7 +822,7 @@ if (!doNotTrack) {
</div>
<script src="https://h.cowbay.org/js/jquery.min.js"></script>
<script src="https://h.cowbay.org/js/jquerymigrate.js"></script>
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<script src="https://h.cowbay.org/js/production.min.js?v=1581582274"></script>
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</html>

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@@ -21,9 +21,9 @@
"publisher": "",
"accountablePerson" : "",
"copyrightHolder" : "",
"copyrightYear" : "2019",
"datePublished": "2019-12-27 09:09:05 \x2b0800 CST",
"dateModified" : "2019-12-27 09:09:05 \x2b0800 CST",
"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
"url" : "https:\/\/h.cowbay.org\/",
"wordCount" : "0",
"image" : "https://h.cowbay.org%!s(\u003cnil\u003e)"",
@@ -46,9 +46,9 @@
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
<link href="https://h.cowbay.org/css/style.css?v=1577410044" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/style.css?v=1581582274" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
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<link rel="shortcut icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
<link rel="icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</li>
</ul>
@@ -288,12 +292,208 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-run-task-depends-on-ipaddr/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-8.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">23 July</span>
<span class="date">16 August</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/ "> [筆記] 在gcp 中用wireguard建立VPN時不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近一直在玩 wireguard 先前把各個分公司和總部的VPN 改用 wireguard 建立</p>
<p>想說再打個VPN tunnel 來當跳板連 ptt 好了</p>
<p>因為wireguard 建立很簡單,而且又可以指定想要繞出去的路由,不會影響原本的網路環境</p>
<p>本來是在vultr 的VPS上面建立這個tunnel</p>
<p>但是那台VPS連去ptt 很頓,卡卡的</p>
<p>所以改用google cloud platform 的free tier 來做</p>
<p>反正只是拿來當跳板,不會有什麼流量、運算產生,可以一直保持免費的狀態</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
</div>
<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured even excerpt">
<a class="featured-image-link" href="https://h.cowbay.org/post/multiple-site-to-site-vpn-using-wireguard/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">13 August</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/multiple-site-to-site-vpn-using-wireguard/ "> [筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>因為實在受夠了現在用的 openwrt + strongswan 建立 IPSec VPN</p>
<p>雖然說其實沒有什麼不好,但是畢竟不是我建立的,而當初的文件也都不見了</p>
<p>完全沒辦法了解當時設計的邏輯造成後續debug 困難</p>
<p>可以想像一下一台VPN router ping 不到remote、ping不到internet、甚至ping不到自己 是要怎麼debug !?(翻桌</p>
<p>之前買了兩台edgerouter X 拿來玩了一下 wireguard感覺還不錯不過只有測試到點對點</p>
<p>這次試試看躲在gateway後面看看能不能建立多點的VPN環境</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/multiple-site-to-site-vpn-using-wireguard/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
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<a class="featured-image-link" href="https://h.cowbay.org/post/site-to-site-vpn-using-wireguard-in-two-edgerouters/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-5.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">06 August</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/site-to-site-vpn-using-wireguard-in-two-edgerouters/ "> [筆記] 在edgerouter上用wireguard 建立site to site VPN / Site to Site Vpn Using Wireguard in Two Edgerouters </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>之前總部和分公司之間 是用buffalo 的小AP 灌 openwrt</p>
<p>然後用strongswan 來打 IPSEC site to site VPN</p>
<p>config 看起來不是很難 (只是看起來)</p>
<p>但是實際上已經找不到當初的文件</p>
<p>所以要維護很困難(光那些RSA KEY 就不知道為何、如何產生)</p>
<p>後來採購了兩台edgerouter X 做測試</p>
<p>也用openvpn 成功的建立了 site to site VPN</p>
<p>本來想說 openvpn 已經夠簡單了</p>
<p>今天看到文章說用wireguard 可以更簡單</p>
<p>於是研究了一下,發現還真的很簡單!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/site-to-site-vpn-using-wireguard-in-two-edgerouters/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
</div>
<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured even excerpt">
<a class="featured-image-link" href="https://h.cowbay.org/post/another-way-to-keep-ansible-log/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">05 August</span>
@@ -315,76 +515,25 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ansible-run-task-depends-on-ipaddr/ "> [ansible] 用 ip 位置判斷是否要執行task /ansible run task depends on ipaddr </a>
<a href="https://h.cowbay.org/post/another-way-to-keep-ansible-log/ "> [筆記] 為了保存log 用script 指令執行ansible / Another Way to Keep Ansible Log using script command </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>因為工作上的需要要修改client端的 /etc/environment 檔案</p>
<p>之前為了能夠在執行完 ansible playbook 後能有個log 可以看</p>
<p>在有權限使用proxy 服務的user的環境中加入proxy 的設定</p>
<p>所以在每次執行的時候,都要加入 tee 的指令</p>
<p>原本的清單中有host/user/ip 這幾個值可以拿來判斷</p>
<p>像是</p>
<p>proxy server 那邊是採用ip 來控制,所以這邊也跟著用 ip 來判斷要不要修改 /etc/environment</p>
<pre><code>ANSIBLE_CONFIG=/home/D/ansiblecontrol/ansible.cfg /usr/local/bin/ansible-playbook /home/D/ansiblecontrol/playbook.user_client.yml --vault-password-file=/home/D/ansiblecontrol/vault.passwd -i /home/D/ansiblecontrol/inventory/production -f1 --limit tyuserclients |tee /tmp/tyuserclients.log
</code></pre>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-run-task-depends-on-ipaddr/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
</div>
<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured even excerpt">
<p>一直都是放在crontab 裡面執行,也就沒有去管他</p>
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-selectattr-from-list-in-dictionary/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<p>反正也沒有人關心結果怎樣 (攤手</p>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">01 July</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/ansible">Ansible</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ansible-selectattr-from-list-in-dictionary/ "> [ansible] 引用事先定義好的yaml檔裡面的變數 - Ansible Selectattr From List in Dictionary file </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>在ansible中關於如何引用自定義的變數一直讓我很頭疼</p>
<p>尤其是有牽涉到從外部導入yaml檔案時更是常常讓我不知道到底該怎麼抓出想要的變數</p>
<p>這次還是用selectattr 來處理,希望下次能夠記得&hellip;</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-selectattr-from-list-in-dictionary/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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</article>
</div>
</div>
@@ -402,12 +551,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/remote-management-system-meshcentral/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-5.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/send-mail-to-notify-after-pxe-install/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">20 June</span>
<span class="date">31 July</span>
@@ -429,138 +578,28 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/remote-management-system-meshcentral/ "> linux底下遠端遙控&amp;管理的好用系統 Meshcentral / Remote Management &amp; control system Meshcentral </a>
<a href="https://h.cowbay.org/post/send-mail-to-notify-after-pxe-install/ "> [筆記] 用pxe 安裝系統,完成後送出郵件通知 / send mail notification after pxe install </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>之前在LAN/windows環境下一直都是用ultravnc/winvnc/tigervnc之類的VNC軟體</p>
<p>最近有個任務需要大量安裝client</p>
<p>但是如果要過 internet 就會碰到各種開port的問題</p>
<p>想用PXE來處理只要user開機按F12(acer 桌機) 選擇PXE Boot</p>
<p>在這種環境下,就有了當時 teamviewer 的橫空出世</p>
<p>然後選擇OS版本就可以自動進行安裝</p>
<p>解決了開PORT的問題讓被控端(通常是資訊技術相對弱勢,需要接受幫助的一方)不需要懂太多</p>
<p>安裝完成後會自動重新開機接著就用ansible來做user環境設定</p>
<p>只要下載teamviewer被控端開啟後報ID 給協助者就好了</p>
<p>PXE的部份本來是沒有什麼問題自動安裝系統的部份都做好了</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/remote-management-system-meshcentral/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
</div>
<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured even excerpt">
<p>可是因為這次的量比較多想說讓每一台在完成PXE安裝後的第一次重開機</p>
<a class="featured-image-link" href="https://h.cowbay.org/post/install-asus-10g-nic-in-proxmox/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-13.jpg"></div></a>
<p>就送出一封郵件來通知我說已經完成安裝可以執行ansible 了</p>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">17 June</span>
<p>看似很簡單的一件事情,卻搞了我兩天&hellip;.</p>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/proxmox">Proxmox</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/install-asus-10g-nic-in-proxmox/ "> Install Asus 10G NIC XG-C100C in Proxmox </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>前幾天接的一個case</p>
<p>因為費用的關係,所以沒有考慮用傳統定義上的伺服器(DELL R640)</p>
<p>改採用比較高階一點的洋垃圾,規格大概是 Intel E5-2680V2 x2 + 64G RAM + 128G SSD x2 (OS) + 960G SSD x4 (raid 10 , zfs)</p>
<p>storage 選擇QNAP NAS TS-932X + 960G SSD x 4 (raid 10 , NFS) + QNAP 10G Switch QSW-1280C-8C</p>
<p>既然storage這邊選用了10G的機種伺服器上當然也要增加10G網卡</p>
<p>一樣成本考量就不用INTEL 了,買了這張 ASUS 10G 網卡</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-asus-10g-nic-in-proxmox/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
</div>
<div class="post type-post status-publish format-standard has-post-thumbnail hentry category-design tag-memories tag-normal-post tag-standard-2 excerpt zoom full-without-featured odd excerpt">
<a class="featured-image-link" href="https://h.cowbay.org/post/change-timezone-in-docker/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-3.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">21 May</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/change-timezone-in-docker/ "> [筆記] 修改 docker 容器內的時區 - Change Timezone in Docker </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近一直在玩一些docker不過老是會碰到歪果扔寫的東西時區都不一致</p>
<p>有的用 UTC有的用localtime就是沒碰到用 Asia/Taipei 的&hellip;.</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/change-timezone-in-docker/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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</article>
</div>
</div>
@@ -681,7 +720,16 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<a class="page-numbers" href="/page/11/">11</a>
@@ -825,7 +873,7 @@ if (!doNotTrack) {
</div>
<script src="https://h.cowbay.org/js/jquery.min.js"></script>
<script src="https://h.cowbay.org/js/jquerymigrate.js"></script>
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@@ -21,9 +21,9 @@
"publisher": "",
"accountablePerson" : "",
"copyrightHolder" : "",
"copyrightYear" : "2019",
"datePublished": "2019-12-27 09:09:05 \x2b0800 CST",
"dateModified" : "2019-12-27 09:09:05 \x2b0800 CST",
"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
"url" : "https:\/\/h.cowbay.org\/",
"wordCount" : "0",
"image" : "https://h.cowbay.org%!s(\u003cnil\u003e)"",
@@ -46,9 +46,9 @@
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
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<link rel="icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</li>
</ul>
@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/transfer-file-content-using-xclip-in-terminal/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-run-task-depends-on-ipaddr/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">17 May</span>
<span class="date">23 July</span>
@@ -309,26 +313,26 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/linux">linux</a>
<a href="/categories/ansible">ansible</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/transfer-file-content-using-xclip-in-terminal/ "> Transfer File Content Using Xclip in Terminal </a>
<a href="https://h.cowbay.org/post/ansible-run-task-depends-on-ipaddr/ "> [ansible] 用 ip 位置判斷是否要執行task /ansible run task depends on ipaddr </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>工作上常會需要用ssh登入遠端主機檢查LOG有必要的時候還要把log複製回本機來處理。</p>
<p>因為工作上的需要要修改client端的 /etc/environment 檔案</p>
<p>以前都是傻傻的用 scp 傳檔案</p>
<p>在有權限使用proxy 服務的user的環境中加入proxy 的設定</p>
<p>之前就記得有這個xclip/xsel 可以用,但是一直沒有弄清楚怎麼執行</p>
<p>原本的清單中有host/user/ip 這幾個值可以拿來判斷</p>
<p>早上研究了一下,順便做個筆記。</p>
<p>proxy server 那邊是採用ip 來控制,所以這邊也跟著用 ip 來判斷要不要修改 /etc/environment</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/transfer-file-content-using-xclip-in-terminal/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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@@ -346,12 +350,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/inx-collect-detail-hardware-info/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-selectattr-from-list-in-dictionary/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
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<span class="date">23 April</span>
<span class="date">01 July</span>
@@ -367,28 +371,24 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
<a href="/categories/ansible">Ansible</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/inx-collect-detail-hardware-info/ "> [筆記] inxi 蒐集詳盡的硬體資訊 / inxi Collect Detail Hardware Info </a>
<a href="https://h.cowbay.org/post/ansible-selectattr-from-list-in-dictionary/ "> [ansible] 引用事先定義好的yaml檔裡面的變數 - Ansible Selectattr From List in Dictionary file </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近因為一直碰到硬碟故障的問題算起來那一批同時購買的5X顆 seagate 2T硬碟已經有一半以上故障返修了&hellip;.</p>
<p>在ansible中關於如何引用自定義的變數一直讓我很頭疼</p>
<p>然後又因為一直沒有添購新的硬碟,只能用這些快過保/已過保的撐著</p>
<p>尤其是有牽涉到從外部導入yaml檔案時更是常常讓我不知道到底該怎麼抓出想要的變數</p>
<p>所以最近不斷的在更換機器內的硬碟,而且還沒有熱插拔!</p>
<p>這次還是用selectattr 來處理,希望下次能夠記得&hellip;</p>
<p>也導致原本負責處理盤點資產的同事困擾,因為跟手邊的紀錄已經對不起來了</p>
<p>然後就變成要對資產的時候,需要一台一台登入,然後去下不同的指令,取得想要的硬體資訊,超級麻煩的!</p>
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</article>
</div>
</div>
@@ -406,12 +406,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/log-all-bash-commands/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/remote-management-system-meshcentral/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-5.jpg"></div></a>
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<span class="date">23 April</span>
<span class="date">20 June</span>
@@ -433,20 +433,22 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/log-all-bash-commands/ "> [筆記] 紀錄所有下過的指令、時間 / Log All commands with timestamp </a>
<a href="https://h.cowbay.org/post/remote-management-system-meshcentral/ "> linux底下遠端遙控&amp;管理的好用系統 Meshcentral / Remote Management &amp; control system Meshcentral </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>今天發生一件有點詭異的事情,本來應該要經過某個指令才會產生的檔案</p>
<p>之前在LAN/windows環境下一直都是用ultravnc/winvnc/tigervnc之類的VNC軟體</p>
<p>居然不知為何自己產生了,在我記憶中沒有去執行過那個指令</p>
<p>但是如果要過 internet 就會碰到各種開port的問題</p>
<p>翻了一下 bash_history ,裡面也只有下過哪些指令,沒有紀錄時間,完全沒有參考價值(攤手)</p>
<p>在這種環境下,就有了當時 teamviewer 的橫空出世</p>
<p>所以翻了一下網路至少把這兩台主要跑ansible的機器的log功能補上紀錄所有指令以及時間的部份</p>
<p>解決了開PORT的問題讓被控端(通常是資訊技術相對弱勢,需要接受幫助的一方)不需要懂太多</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/log-all-bash-commands/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>只要下載teamviewer被控端開啟後報ID 給協助者就好了</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/remote-management-system-meshcentral/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -464,12 +466,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/fix-zpool-device-busy-using-dmsetup/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/install-asus-10g-nic-in-proxmox/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-13.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">01 April</span>
<span class="date">17 June</span>
@@ -485,24 +487,30 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
<a href="/categories/proxmox">Proxmox</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/fix-zpool-device-busy-using-dmsetup/ "> [筆記] 解決無法建立zpool 的錯誤 / Fix Zpool Device Busy Using dmsetup </a>
<a href="https://h.cowbay.org/post/install-asus-10g-nic-in-proxmox/ "> Install Asus 10G NIC XG-C100C in Proxmox </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>今天把其中一台proxmox 加上10G 光纖網卡準備和另一台proxmox 組成10G 環境進行測試</p>
<p>前幾天接的一個case</p>
<p>想說把本機的zpool 拆掉重新建立一個raid0 的空間來做clone/migrate</p>
<p>因為費用的關係,所以沒有考慮用傳統定義上的伺服器(DELL R640)</p>
<p>可是一直出現device busy的錯誤訊息</p>
<p>改採用比較高階一點的洋垃圾,規格大概是 Intel E5-2680V2 x2 + 64G RAM + 128G SSD x2 (OS) + 960G SSD x4 (raid 10 , zfs)</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/fix-zpool-device-busy-using-dmsetup/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>storage 選擇QNAP NAS TS-932X + 960G SSD x 4 (raid 10 , NFS) + QNAP 10G Switch QSW-1280C-8C</p>
<p>既然storage這邊選用了10G的機種伺服器上當然也要增加10G網卡</p>
<p>一樣成本考量就不用INTEL 了,買了這張 ASUS 10G 網卡</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-asus-10g-nic-in-proxmox/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -520,12 +528,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/transfer-cent62-using-rsync/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/change-timezone-in-docker/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-3.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">27 March</span>
<span class="date">21 May</span>
@@ -547,16 +555,16 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/transfer-cent62-using-rsync/ "> [筆記] 用rsync 移轉 centos 6.2的老機器 Transfer Cent6.2 using rsync </a>
<a href="https://h.cowbay.org/post/change-timezone-in-docker/ "> [筆記] 修改 docker 容器內的時區 - Change Timezone in Docker </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>公司的一台老伺服器空間不足了,要執行指令都會中斷,所以想要擴充空間。</p>
<p>最近一直在玩一些docker不過老是會碰到歪果扔寫的東西時區都不一致</p>
<p>看起來不難搞,事實上&hellip;..</p>
<p>有的用 UTC有的用localtime就是沒碰到用 Asia/Taipei 的&hellip;.</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/transfer-cent62-using-rsync/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/change-timezone-in-docker/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -679,7 +687,16 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<a class="page-numbers" href="/page/11/">11</a>
@@ -823,7 +840,7 @@ if (!doNotTrack) {
</div>
<script src="https://h.cowbay.org/js/jquery.min.js"></script>
<script src="https://h.cowbay.org/js/jquerymigrate.js"></script>
<script src="https://h.cowbay.org/js/production.min.js?v=1577410044"></script>
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@@ -21,9 +21,9 @@
"publisher": "",
"accountablePerson" : "",
"copyrightHolder" : "",
"copyrightYear" : "2019",
"datePublished": "2019-12-27 09:09:05 \x2b0800 CST",
"dateModified" : "2019-12-27 09:09:05 \x2b0800 CST",
"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
"url" : "https:\/\/h.cowbay.org\/",
"wordCount" : "0",
"image" : "https://h.cowbay.org%!s(\u003cnil\u003e)"",
@@ -46,9 +46,9 @@
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
<link href="https://h.cowbay.org/css/style.css?v=1577410044" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/style.css?v=1581582274" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1577410044" rel="stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1581582274" rel="stylesheet" type='text/css' media='all'>
<link rel="shortcut icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
<link rel="icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</li>
</ul>
@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/command_to_test_main_ssl/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/transfer-file-content-using-xclip-in-terminal/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">20 March</span>
<span class="date">17 May</span>
@@ -307,21 +311,28 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/linux">linux</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/command_to_test_main_ssl/ "> [筆記] 測試mail server 的SSL憑證的指令 Command to test mailserver SSL </a>
<a href="https://h.cowbay.org/post/transfer-file-content-using-xclip-in-terminal/ "> Transfer File Content Using Xclip in Terminal </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>今天老闆出國發slack說手機不能寄信看了一下似乎是因為用GMAIL的APP來收信</p>
<p>工作上常會需要用ssh登入遠端主機檢查LOG有必要的時候還要把log複製回本機來處理。</p>
<p>然後google 不知道跟人家改了什麼,結果不接受原本的認證了&hellip; WTF &hellip;.</p>
<p>以前都是傻傻的用 scp 傳檔案</p>
<p>然後,這問題應該很久了,結果現在才在講 &hellip;.</p>
<p>之前就記得有這個xclip/xsel 可以用,但是一直沒有弄清楚怎麼執行</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/command_to_test_main_ssl/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>早上研究了一下,順便做個筆記。</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/transfer-file-content-using-xclip-in-terminal/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -339,12 +350,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/install-timeshift-on-ubuntu1804/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-12.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/inx-collect-detail-hardware-info/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">11 March</span>
<span class="date">23 April</span>
@@ -366,20 +377,22 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/install-timeshift-on-ubuntu1804/ "> Install Timeshift on Ubuntu1804 </a>
<a href="https://h.cowbay.org/post/inx-collect-detail-hardware-info/ "> [筆記] inxi 蒐集詳盡的硬體資訊 / inxi Collect Detail Hardware Info </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近要開始測試client安裝 ubuntu 18.04 的 ansible playbook</p>
<p>最近因為一直碰到硬碟故障的問題算起來那一批同時購買的5X顆 seagate 2T硬碟已經有一半以上故障返修了&hellip;.</p>
<p>因為要不斷的修正所以想到一直有在自己電腦上執行的timeshift這個軟體</p>
<p>然後又因為一直沒有添購新的硬碟,只能用這些快過保/已過保的撐著</p>
<p>可以很簡單快速的備份、恢復系統狀態</p>
<p>所以最近不斷的在更換機器內的硬碟,而且還沒有熱插拔!</p>
<p>可是不知道為什麼在ubuntu 18.04 上安裝就是會發生錯誤&hellip;.</p>
<p>也導致原本負責處理盤點資產的同事困擾,因為跟手邊的紀錄已經對不起來了</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-timeshift-on-ubuntu1804/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>然後就變成要對資產的時候,需要一台一台登入,然後去下不同的指令,取得想要的硬體資訊,超級麻煩的!</p>
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</article>
</div>
</div>
@@ -397,12 +410,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/install-ubuntu1804-on-dell-6ir-raid-controller/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/log-all-bash-commands/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">16 January</span>
<span class="date">23 April</span>
@@ -424,16 +437,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/install-ubuntu1804-on-dell-6ir-raid-controller/ "> 用DELL 6 i/R 建立RAID並在上面安裝ubuntu 18.04 </a>
<a href="https://h.cowbay.org/post/log-all-bash-commands/ "> [筆記] 紀錄所有下過的指令、時間 / Log All commands with timestamp </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>買了一張 DELL 6/iR 低階的raid 卡</p>
<p>今天發生一件有點詭異的事情,本來應該要經過某個指令才會產生的檔案</p>
<p>來測試把系統裝在硬體做的RAID上結果沒想到居然不能開機&hellip;</p>
<p>居然不知為何自己產生了,在我記憶中沒有去執行過那個指令</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-ubuntu1804-on-dell-6ir-raid-controller/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>翻了一下 bash_history ,裡面也只有下過哪些指令,沒有紀錄時間,完全沒有參考價值(攤手)</p>
<p>所以翻了一下網路至少把這兩台主要跑ansible的機器的log功能補上紀錄所有指令以及時間的部份</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/log-all-bash-commands/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -451,12 +468,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/ubuntu-1804-install-root-on-raid/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-14.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/fix-zpool-device-busy-using-dmsetup/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">16 January</span>
<span class="date">01 April</span>
@@ -478,18 +495,18 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ubuntu-1804-install-root-on-raid/ "> Ubuntu 1804 Install Root on Raid </a>
<a href="https://h.cowbay.org/post/fix-zpool-device-busy-using-dmsetup/ "> [筆記] 解決無法建立zpool 的錯誤 / Fix Zpool Device Busy Using dmsetup </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近在弄一台機器想要把ubuntu 18.04 安裝在software raid上</p>
<p>今天把其中一台proxmox 加上10G 光纖網卡準備和另一台proxmox 組成10G 環境進行測試</p>
<p>因為新開的機器大部分都是在proxmox上所以很少碰實體機器了</p>
<p>想說把本機的zpool 拆掉重新建立一個raid0 的空間來做clone/migrate</p>
<p>結果在安裝過程中做raid碰到一些問題來紀錄一下</p>
<p>可是一直出現device busy的錯誤訊息</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ubuntu-1804-install-root-on-raid/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/fix-zpool-device-busy-using-dmsetup/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -507,12 +524,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/smartd-failed-to-start-in-freenas/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-2.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/transfer-cent62-using-rsync/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
<div class="excerpt-container">
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<span class="date">13 December</span>
<span class="date">27 March</span>
@@ -534,20 +551,16 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/smartd-failed-to-start-in-freenas/ "> [筆記] Freenas Smartd 啟動失敗 Smartd Failed to Start in Freenas </a>
<a href="https://h.cowbay.org/post/transfer-cent62-using-rsync/ "> [筆記] 用rsync 移轉 centos 6.2的老機器 Transfer Cent6.2 using rsync </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這兩天在弄兩台Freenas 準備當作Proxmox 的Storage &amp; Server Backup</p>
<p>公司的一台老伺服器空間不足了,要執行指令都會中斷,所以想要擴充空間。</p>
<p>因為伺服器的限制只能接六個SATA我接了六個2T的硬碟做raid10</p>
<p>看起來不難搞,事實上&hellip;..</p>
<p>然後把Freenas 安裝在隨身碟上</p>
<p>不過會一直出現Smartd failed to start 的錯誤訊息</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/smartd-failed-to-start-in-freenas/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/transfer-cent62-using-rsync/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -670,7 +683,16 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<a class="page-numbers" href="/page/11/">11</a>
@@ -814,7 +836,7 @@ if (!doNotTrack) {
</div>
<script src="https://h.cowbay.org/js/jquery.min.js"></script>
<script src="https://h.cowbay.org/js/jquerymigrate.js"></script>
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@@ -21,9 +21,9 @@
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"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
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"wordCount" : "0",
"image" : "https://h.cowbay.org%!s(\u003cnil\u003e)"",
@@ -46,9 +46,9 @@
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
<link href="https://h.cowbay.org/css/style.css?v=1577410044" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/style.css?v=1581582274" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1577410044" rel="stylesheet" type='text/css' media='all'>
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<link rel="shortcut icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
<link rel="icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</li>
</ul>
@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/incredibly-slow-mdadm-rebuild/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-1.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/command_to_test_main_ssl/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-10.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">12 December</span>
<span class="date">20 March</span>
@@ -307,30 +311,21 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%A2%8E%E5%BF%B5">碎念</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/incredibly-slow-mdadm-rebuild/ "> [碎念] mdadm 超級慢的rebuild 速度 Incredibly Slow mdadm Rebuild </a>
<a href="https://h.cowbay.org/post/command_to_test_main_ssl/ "> [筆記] 測試mail server 的SSL憑證的指令 Command to test mailserver SSL </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近在做一台老機器的P2V</p>
<p>今天老闆出國發slack說手機不能寄信看了一下似乎是因為用GMAIL的APP來收信</p>
<p>偏偏user說不能關機所以我用dd + ssh 做線上移轉</p>
<p>然後google 不知道跟人家改了什麼,結果不接受原本的認證了&hellip; WTF &hellip;.</p>
<p>這部份有空再來寫</p>
<p>然後,這問題應該很久了,結果現在才在講 &hellip;.</p>
<p>只是因為原來的設定有用mdadm 做raid1</p>
<p>這部份導致移轉過去proxmox 後會出現raid degrade 導致無法正常開機</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/incredibly-slow-mdadm-rebuild/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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</article>
</div>
</div>
@@ -348,12 +343,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/create-portable-vim-environment/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-8.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/install-timeshift-on-ubuntu1804/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-12.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">07 December</span>
<span class="date">11 March</span>
@@ -375,20 +370,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/create-portable-vim-environment/ "> [筆記] 建立一個帶著走的 VIM 環境 Creating portable Vim environment </a>
<a href="https://h.cowbay.org/post/install-timeshift-on-ubuntu1804/ "> Install Timeshift on Ubuntu1804 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>因為工作的關係現在很多時間都花在VIM的操作上</p>
<p>最近要開始測試client安裝 ubuntu 18.04 的 ansible playbook</p>
<p>所以之前花了滿多時間調整出一個適合自己的VIM環境</p>
<p>因為要不斷的修正所以想到一直有在自己電腦上執行的timeshift這個軟體</p>
<p>原本的作法是把這個設定好的環境丟到自己建立的gitea 上面</p>
<p>可以很簡單快速的備份、恢復系統狀態</p>
<p>然後每到一台新的機器就要去clone 下來</p>
<p>可是不知道為什麼在ubuntu 18.04 上安裝就是會發生錯誤&hellip;.</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/create-portable-vim-environment/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-timeshift-on-ubuntu1804/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -406,12 +401,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/synology-ds415-repair-cost/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-13.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/install-ubuntu1804-on-dell-6ir-raid-controller/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">04 December</span>
<span class="date">16 January</span>
@@ -427,34 +422,22 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/synology-ds415-repair-cost/ "> [雜念] 群暉 Synology NAS DS 415&#43; 誇張的維修費用 </a>
<a href="https://h.cowbay.org/post/install-ubuntu1804-on-dell-6ir-raid-controller/ "> 用DELL 6 i/R 建立RAID並在上面安裝ubuntu 18.04 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>前幾天公司的一台 Synology DS 415+ 發生異常</p>
<p>買了一張 DELL 6/iR 低階的raid 卡</p>
<p>注意到的時候,四顆硬碟燈號都不斷的在閃爍</p>
<p>來測試把系統裝在硬體做的RAID上結果沒想到居然不能開機&hellip;</p>
<p>但是已經無法登入系統</p>
<p>重開機之後更慘,四顆硬碟燈號全部橘燈恆亮</p>
<p>底下的電源藍燈不斷的在閃爍</p>
<p>雖然我一再表示不希望送修了</p>
<p>一來是已經過保二來是DS415+ 本身就有intel bug三來是因為對synology的NAS 實在沒有愛&hellip;</p>
<p>不過主管還是希望能夠先問群暉維修的費用多少</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/synology-ds415-repair-cost/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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</article>
</div>
</div>
@@ -472,12 +455,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/10g-lab-using-proxmox-and-mellanox/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-03.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/ubuntu-1804-install-root-on-raid/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-14.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">30 November</span>
<span class="date">16 January</span>
@@ -499,30 +482,18 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/10g-lab-using-proxmox-and-mellanox/ "> [筆記] 用 proxmox &amp; Mellanox SFP 網卡土炮 10G LAB </a>
<a href="https://h.cowbay.org/post/ubuntu-1804-install-root-on-raid/ "> Ubuntu 1804 Install Root on Raid </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>想做一個 10G 的 LAB 環境出來已經很久了。</p>
<p>最近在弄一台機器想要把ubuntu 18.04 安裝在software raid上</p>
<p>只是礙於10G RJ45的卡太貴了然後光纖的種類又太複雜</p>
<p>因為新開的機器大部分都是在proxmox上所以很少碰實體機器了</p>
<p>如果直接在淘寶購買,很怕會買錯(什麼LC/FC LC/LC 多模單模 單芯雙芯 SFP/SFP+ 又是什麼光模塊的一大堆規格)</p>
<p>結果在安裝過程中做raid碰到一些問題來紀錄一下</p>
<p>所以一直沒有付諸行動。</p>
<p>硬體的工作很久沒碰了,剛好在蝦皮看到有個賣家在賣 mellanox 的X2網卡以在台灣的價格來說算很便宜的 (550)</p>
<p>聊了一下,跟他請教了關於線材、光纖模塊的問題,回答也都很快很到位</p>
<p>就直接下訂了兩張網卡、兩個光纖模塊、一條LC/LC 光纖線</p>
<p>就是到貨有點久,等了兩個禮拜左右,一直到昨天東西才寄到</p>
<p>今天就花了點時間測試一下</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/10g-lab-using-proxmox-and-mellanox/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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</article>
</div>
</div>
@@ -540,12 +511,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-selectattr-filter/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-11.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/smartd-failed-to-start-in-freenas/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-2.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">29 November</span>
<span class="date">13 December</span>
@@ -567,18 +538,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ansible-selectattr-filter/ "> [筆記] 還是 Ansible Selectattr </a>
<a href="https://h.cowbay.org/post/smartd-failed-to-start-in-freenas/ "> [筆記] Freenas Smartd 啟動失敗 Smartd Failed to Start in Freenas </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>在上一篇 <a href="https://h.cowbay.org/post/ansible-selectattr/">Ansible how to use &lsquo;list&rsquo; in yaml file </a></p>
<p>這兩天在弄兩台Freenas 準備當作Proxmox 的Storage &amp; Server Backup</p>
<p>有提到怎麼用 with_items / set_fact 來取得在yaml 檔案中的清單</p>
<p>因為伺服器的限制只能接六個SATA我接了六個2T的硬碟做raid10</p>
<p>不過就是有點醜</p>
<p>然後把Freenas 安裝在隨身碟上</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-selectattr-filter/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>不過會一直出現Smartd failed to start 的錯誤訊息</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/smartd-failed-to-start-in-freenas/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -699,7 +672,18 @@ if (!doNotTrack) {
<a class="page-numbers" href="/page/10/">10</a>
<span aria-current="page" class="page-numbers current">10</span>
<a class="page-numbers" href="/page/11/">11</a>
@@ -843,7 +827,7 @@ if (!doNotTrack) {
</div>
<script src="https://h.cowbay.org/js/jquery.min.js"></script>
<script src="https://h.cowbay.org/js/jquerymigrate.js"></script>
<script src="https://h.cowbay.org/js/production.min.js?v=1577410044"></script>
<script src="https://h.cowbay.org/js/production.min.js?v=1581582274"></script>
</body>
</html>

View File

@@ -21,9 +21,9 @@
"publisher": "",
"accountablePerson" : "",
"copyrightHolder" : "",
"copyrightYear" : "2019",
"datePublished": "2019-12-27 09:09:05 \x2b0800 CST",
"dateModified" : "2019-12-27 09:09:05 \x2b0800 CST",
"copyrightYear" : "2020",
"datePublished": "2020-01-17 12:20:33 \x2b0800 CST",
"dateModified" : "2020-01-17 12:20:33 \x2b0800 CST",
"url" : "https:\/\/h.cowbay.org\/",
"wordCount" : "0",
"image" : "https://h.cowbay.org%!s(\u003cnil\u003e)"",
@@ -46,9 +46,9 @@
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
<link href="https://h.cowbay.org/css/style.css?v=1577410044" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/style.css?v=1581582274" rel="stylesheet" id="theme-stylesheet" type='text/css' media='all'>
<link href="https://h.cowbay.org/css/custom.css?v=1577410044" rel="stylesheet" type='text/css' media='all'>
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<link rel="icon" href="https://h.cowbay.org/img/favicon.ico" type="image/x-icon">
@@ -116,6 +116,10 @@ if (!doNotTrack) {
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category">
<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
</li>
</ul>
@@ -288,12 +292,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/ansible-selectattr/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-1.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/incredibly-slow-mdadm-rebuild/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-1.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">27 November</span>
<span class="date">12 December</span>
@@ -309,63 +313,28 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
<a href="/categories/%E7%A2%8E%E5%BF%B5">碎念</a>
</span>
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ansible-selectattr/ "> [筆記] Ansible how to use &#39;list&#39; in yaml file </a>
<a href="https://h.cowbay.org/post/incredibly-slow-mdadm-rebuild/ "> [碎念] mdadm 超級慢的rebuild 速度 Incredibly Slow mdadm Rebuild </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這幾天在玩ansible 時,碰到一個問題</p>
<p>最近在做一台老機器的P2V</p>
<p>假如我有個yaml檔作為資料來源檔名是 abc.yml</p>
<p>偏偏user說不能關機所以我用dd + ssh 做線上移轉</p>
<p>大概長這樣</p>
<p>這部份有空再來寫</p>
<pre><code> &quot;teams&quot;: [
{
&quot;chinese_name&quot;: &quot;TEAM1&quot;,
&quot;description&quot;: &quot;TEAM1&quot;,
&quot;gid&quot;: 10125,
&quot;location&quot;: [
&quot;hq&quot;
],
&quot;name&quot;: &quot;aa&quot;,
&quot;users&quot;: [
&quot;chen&quot;,
&quot;chou&quot;,
&quot;huani&quot;,
&quot;yey&quot;,
&quot;wa&quot;
]
},
{
&quot;chinese_name&quot;: &quot;TEAM2&quot;,
&quot;description&quot;: &quot;TEAM2&quot;,
&quot;gid&quot;: 10126,
&quot;location&quot;: [
&quot;hq&quot;
],
&quot;name&quot;: &quot;bb&quot;,
&quot;users&quot;: [
&quot;chhiao&quot;,
&quot;chgc&quot;,
&quot;chy&quot;,
&quot;hsi&quot;,
&quot;li&quot;,
&quot;li&quot;,
&quot;chgchi&quot;
]
}
]
</code></pre>
<p>只是因為原來的設定有用mdadm 做raid1</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ansible-selectattr/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
<p>這部份導致移轉過去proxmox 後會出現raid degrade 導致無法正常開機</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/incredibly-slow-mdadm-rebuild/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</article>
</div>
</div>
@@ -383,12 +352,12 @@ if (!doNotTrack) {
<a class="featured-image-link" href="https://h.cowbay.org/post/change-preferred-language-in-firefox/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/create-portable-vim-environment/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-8.jpg"></div></a>
<div class="excerpt-container">
<div class="excerpt-meta">
<span class="date">15 November</span>
<span class="date">07 December</span>
@@ -410,20 +379,20 @@ if (!doNotTrack) {
</div>
<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/change-preferred-language-in-firefox/ "> [筆記] 為了metabase 修改 firefox 開啟網頁時使用的預設語言 change the preferred language in firefox for metabase </a>
<a href="https://h.cowbay.org/post/create-portable-vim-environment/ "> [筆記] 建立一個帶著走的 VIM 環境 Creating portable Vim environment </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>最近在測試metabase記得幾個月前就有測試過</p>
<p>因為工作的關係現在很多時間都花在VIM的操作上</p>
<p>但是當時的界面和現在的樣子差很多,看樣子改版還滿勤勞的</p>
<p>所以之前花了滿多時間調整出一個適合自己的VIM環境</p>
<p>所以這次改用docker來建立根本五分鐘不到就建好了(挖鼻孔)</p>
<p>原本的作法是把這個設定好的環境丟到自己建立的gitea 上面</p>
<p>不過呢,很討厭的是,一進去就發現語系採用的是簡體中文</p>
<p>然後每到一台新的機器就要去clone 下來</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/change-preferred-language-in-firefox/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<a class="featured-image-link" href="https://h.cowbay.org/post/copy_role_in_pgsql/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
<a class="featured-image-link" href="https://h.cowbay.org/post/synology-ds415-repair-cost/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-13.jpg"></div></a>
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<span class="date">12 November</span>
<span class="date">04 December</span>
@@ -462,26 +431,34 @@ if (!doNotTrack) {
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
<a href="/categories/%E7%BE%A4%E6%9A%89">群暉</a>
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/copy_role_in_pgsql/ "> PostgreSQL 直接從已經存在的使用者複製權限到另一個使用者 </a>
<a href="https://h.cowbay.org/post/synology-ds415-repair-cost/ "> [雜念] 群暉 Synology NAS DS 415&#43; 誇張的維修費用 </a>
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<article>
<p>因為工作上的需求有個資料庫需要開放給不同team的人去存取</p>
<p>前幾天公司的一台 Synology DS 415+ 發生異常</p>
<p>雖然都是在同一台機器上的同一個資料庫</p>
<p>注意到的時候,四顆硬碟燈號都不斷的在閃爍</p>
<p>但是希望能夠不同team的人用不同的資料庫使用者</p>
<p>但是已經無法登入系統</p>
<p>這樣萬一出事,會比較好抓兇手??</p>
<p>重開機之後更慘,四顆硬碟燈號全部橘燈恆亮</p>
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<p>底下的電源藍燈不斷的在閃爍</p>
<p>雖然我一再表示不希望送修了</p>
<p>一來是已經過保二來是DS415+ 本身就有intel bug三來是因為對synology的NAS 實在沒有愛&hellip;</p>
<p>不過主管還是希望能夠先問群暉維修的費用多少</p>
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<span class="date">08 November</span>
<span class="date">30 November</span>
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<a href="https://h.cowbay.org/post/weird-client-server-connection/ "> [筆記] 詭異的client&amp;server間連線的問題或許跟KVM有關係 </a>
<a href="https://h.cowbay.org/post/10g-lab-using-proxmox-and-mellanox/ "> [筆記] 用 proxmox &amp; Mellanox SFP 網卡土炮 10G LAB </a>
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<article>
<p>這是發生在一個夜黑風高的寂寥深夜&hellip;.. ( What The FXXX &hellip; )</p>
<p>想做一個 10G 的 LAB 環境出來已經很久了。</p>
<p>來到這個環境之後,有一個很詭異的狀況一直困擾著我</p>
<p>只是礙於10G RJ45的卡太貴了然後光纖的種類又太複雜</p>
<p>在每個分公司都會有一台伺服器作為KVM Host</p>
<p>如果直接在淘寶購買,很怕會買錯(什麼LC/FC LC/LC 多模單模 單芯雙芯 SFP/SFP+ 又是什麼光模塊的一大堆規格)</p>
<p>上面跑兩台VM一台作為ansible controller (目前沒作用)</p>
<p>所以一直沒有付諸行動。</p>
<p>另一台作為這邊所謂的 &ldquo;Build Server&rdquo;</p>
<p>硬體的工作很久沒碰了,剛好在蝦皮看到有個賣家在賣 mellanox 的X2網卡以在台灣的價格來說算很便宜的 (550)</p>
<p>用途包含了DHCP Server / Proxy Server (squid3) / APT Proxy (squid-deb-proxy)</p>
<p>聊了一下,跟他請教了關於線材、光纖模塊的問題,回答也都很快很到位</p>
<p>問題就發生在這台 Build Server 上&hellip;</p>
<p>就直接下訂了兩張網卡、兩個光纖模塊、一條LC/LC 光纖線</p>
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<p>就是到貨有點久,等了兩個禮拜左右,一直到昨天東西才寄到</p>
<p>今天就花了點時間測試一下</p>
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<a class="featured-image-link" href="https://h.cowbay.org/post/nice-du-report-tool-durep/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-9.jpg"></div></a>
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<span class="date">06 November</span>
<span class="date">29 November</span>
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<a href="https://h.cowbay.org/post/nice-du-report-tool-durep/ "> Nice Du Report Tool Durep </a>
<a href="https://h.cowbay.org/post/ansible-selectattr-filter/ "> [筆記] 還是 Ansible Selectattr </a>
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<p>最近在重新規劃前人留下的backup爛攤子
各個伺服器統一備份到一台backup storage
想說如果每天能夠看到backup storage的磁碟用量的話
就可以抓出備份空間成長速度、推估需要多大的磁碟空間
找了一些工具,結果發現 durep 這個 ubuntu 內建的工具
基本上可以滿足我的需求</p>
<p>在上一篇 <a href="https://h.cowbay.org/post/ansible-selectattr/">Ansible how to use &lsquo;list&rsquo; in yaml file </a></p>
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<p>有提到怎麼用 with_items / set_fact 來取得在yaml 檔案中的清單</p>
<p>不過就是有點醜</p>
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<a href="/categories/%E9%9B%9C%E5%BF%B5">雜念</a>
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"description" : "\x3cp\x3e上禮拜原本擔任 proxmox cluster 的主要 storage 的 ds415\x2b 掛點了\x3c\/p\x3e\n\n\x3cp\x3e原因應該就是之前的 intel c2000 series cpu 的 bug\x3c\/p\x3e\n\n\x3cp\x3e只是不知道為什麼這台兩三年來都沒有關機的NAS\x3c\/p\x3e\n\n\x3cp\x3e比其他三台多撐了那麼久 (已經有兩台送修回來,一台也是同樣症狀,被放在一邊)\x3c\/p\x3e\n\n\x3cp\x3e趁著這次機會看看網路上說的換電阻大法有沒有用\x3c\/p\x3e\n\n\x3cp\x3e如果有用就拿這兩台來玩玩 synology high availability !\x3c\/p\x3e",
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<span class="date">10 January</span> <span> / </span>
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<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
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<h1 class='entry-title'> [筆記] 第一次玩 Synology High Availability / first try synology high availability</h1>
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<p>上禮拜,原本擔任 proxmox cluster 的主要 storage 的 ds415+ 掛點了</p>
<p>原因應該就是之前的 intel c2000 series cpu 的 bug</p>
<p>只是不知道為什麼這台兩三年來都沒有關機的NAS</p>
<p>比其他三台多撐了那麼久 (已經有兩台送修回來,一台也是同樣症狀,被放在一邊)</p>
<p>趁著這次機會,看看網路上說的換電阻大法有沒有用!</p>
<p>如果有用,就拿這兩台來玩玩 synology high availability !</p>
<p>先要感謝這一篇的作者!</p>
<p><a href="https://www.mobile01.com/topicdetail.php?f=494&amp;t=5600042">https://www.mobile01.com/topicdetail.php?f=494&amp;t=5600042</a></p>
<p>在網路上訂了一大包的 <sup>1</sup>&frasl;<sub>4</sub> w 100Ω 的電阻 (100個才70塊運費都要60了)</p>
<p>照著上面那篇的作法把電阻焊上去NAS就順利開機了</p>
<p>__</p>
<p>架構圖很簡單,只是在做測試而已,又是第一次玩,先不要搞得太複雜</p>
<p><img src="https://i.imgur.com/k7IDZ4Y.png" alt="" /></p>
<p>流程大致如下</p>
<p>設定好NAS Cluster 之後建立NFS 服務</p>
<p>然後在proxmox 主機上掛載這個NFS 空間</p>
<p>接著在proxmox 上建立一台 VM 存放在NFS 空間上</p>
<p>在這台VM裡面持續 ping NAS cluster VIP 192.168.11.85</p>
<p>接著拔掉 192.168.11.87 的兩條網路線模擬NAS cluster 的主伺服器掛點的狀況</p>
<p>這時候VM 還活著,可以正常建立、刪除、檢視檔案,然後 ping 192.168.11.85 也還持續著</p>
<p>NAS的告警信件也正常發出</p>
<p>08:53 NAS High Availability 叢集 ds415cluster 已執行自動故障轉移。 [詳細資訊:無法偵測到 hqs087 (主伺服器)]
08:58 NAS High Availability 叢集 ds415cluster 狀態異常 [詳細資訊:無法偵測到 hqs087 (副伺服器)]</p>
<p>9:08 接回hqs087的網路線</p>
<p>9:09 收到信件 NAS High Availability 叢集 ds415cluster 停止正常運作 [詳細資訊Split-brain 錯誤]</p>
<p>登入管理界面(192.168.11.85:5000) ,操作 HA ,選擇恢復</p>
<p>這時候開始VM 的檔案系統變成是 read only</p>
<p>雖然還活著,但是已經無法建立、刪除檔案,連 cat /var/log/syslog 也會卡住</p>
<p>9:14 VIP NAS cluster 恢復連線,本來卡住的 cat /var/log/syslog 也可以正常顯示內容了</p>
<p>但是系統還是 read onlyreboot VM 之後才恢復正常。</p>
<p>有幾個問題</p>
<ul>
<li>split brain 錯誤</li>
</ul>
<p>這個問題我想應該是因為只有兩台組成clsuter 造成的</p>
<p>如果有第三臺加入應該就不會有這個split brain 的問題</p>
<ul>
<li>VM變成 read only</li>
</ul>
<p>這個我就不知道為什麼了照理說NAS Cluster 已經開始在恢復</p>
<p>在我的觀念裡,應該要能夠「正常」的持續服務</p>
<p>但是VM變成 read only ,而且必須要重新開機才能解決</p>
<p>那這樣NAS Cluster 等於沒有太大作用呀..</p>
<p>來問問看群暉客服好了</p>
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<description>Recent content in Posts on MC部落</description>
<generator>Hugo -- gohugo.io</generator>
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<lastBuildDate>Fri, 27 Dec 2019 09:09:05 +0800</lastBuildDate>
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<item>
<title>[筆記] 測試 proxmox 存取由 synology HA cluster 分享的NFS 目錄 / Proxmox With Synology High Availability</title>
<link>https://h.cowbay.org/post/proxmox-with-synology-high-availability/</link>
<pubDate>Fri, 17 Jan 2020 12:20:33 +0800</pubDate>
<guid>https://h.cowbay.org/post/proxmox-with-synology-high-availability/</guid>
<description>&lt;p&gt;前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+&lt;/p&gt;
&lt;p&gt;詳情請看 &lt;a href=&#34;https://h.cowbay.org/post/first-try-synology-ha/&#34;&gt;https://h.cowbay.org/post/first-try-synology-ha/&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;今天趁尾牙前夕,手邊沒啥要緊事&lt;/p&gt;
&lt;p&gt;就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] 第一次玩 Synology High Availability / first try synology high availability</title>
<link>https://h.cowbay.org/post/first-try-synology-ha/</link>
<pubDate>Fri, 10 Jan 2020 09:48:18 +0800</pubDate>
<guid>https://h.cowbay.org/post/first-try-synology-ha/</guid>
<description>&lt;p&gt;上禮拜,原本擔任 proxmox cluster 的主要 storage 的 ds415+ 掛點了&lt;/p&gt;
&lt;p&gt;原因應該就是之前的 intel c2000 series cpu 的 bug&lt;/p&gt;
&lt;p&gt;只是不知道為什麼這台兩三年來都沒有關機的NAS&lt;/p&gt;
&lt;p&gt;比其他三台多撐了那麼久 (已經有兩台送修回來,一台也是同樣症狀,被放在一邊)&lt;/p&gt;
&lt;p&gt;趁著這次機會,看看網路上說的換電阻大法有沒有用!&lt;/p&gt;
&lt;p&gt;如果有用,就拿這兩台來玩玩 synology high availability !&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] postgresql 效能測試 / postgresql benchmakr using pgbench</title>
<link>https://h.cowbay.org/post/postgresql-pgbench-benchmark/</link>
<pubDate>Tue, 07 Jan 2020 11:18:59 +0800</pubDate>
<guid>https://h.cowbay.org/post/postgresql-pgbench-benchmark/</guid>
<description>&lt;p&gt;昨天老闆在slack 上面問說現在的幾台 DB Server 有沒有跑過 pgbench&lt;/p&gt;
&lt;p&gt;分數大概如何,想要跟他的筆電做個比較&lt;/p&gt;
&lt;p&gt;之前有跑過幾次,這次就順便測試一下不同的硬體配置、以及不同的軟體版本&lt;/p&gt;
&lt;p&gt;對於pgbench 跑分會有多大的影響&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 / rescue synology nas with ubuntu livecd</title>
<link>https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/</link>
<pubDate>Fri, 03 Jan 2020 15:43:45 +0800</pubDate>
<guid>https://h.cowbay.org/post/rescue-synology-nas-with-ubuntu-livecd/</guid>
<description>&lt;p&gt;2020/01/02 , 2020年上工的第一天群暉的 DS415+ NAS 掛了!&lt;/p&gt;
&lt;p&gt;因為群暉的文件在最關鍵的一步寫得亂七八糟!&lt;/p&gt;
&lt;p&gt;所以在這邊紀錄一下我操作的步驟!&lt;/p&gt;</description>
</item>
<item>
<title>[碎念] Synology 群暉的文件不知道在工三小 / what a piss in synology document</title>
<link>https://h.cowbay.org/post/what-a-piss-in-synology-document/</link>
<pubDate>Fri, 03 Jan 2020 11:45:56 +0800</pubDate>
<guid>https://h.cowbay.org/post/what-a-piss-in-synology-document/</guid>
<description>&lt;p&gt;2020/01/02 2020 上工的第一天,公司碩果僅存的唯一一台 Synology DS415+ 也終於掛了&lt;/p&gt;
&lt;p&gt;開機沒多久就連不上,反覆幾次之後,出現了開機時所有燈號都狂閃的狀況&lt;/p&gt;
&lt;p&gt;終於宣告不治&lt;/p&gt;
&lt;p&gt;問題很明顯的就是Intel C2000 系列 CPU 的瑕疵&lt;/p&gt;</description>
</item>
<item>
<title>[筆記]在ansible中取得loop register後的值/ Ansible Get Value From Loop Register</title>
<link>https://h.cowbay.org/post/ansible-get-value-from-loop-register/</link>

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<span class="date">07 January</span> <span> / </span>
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<h1 class='entry-title'> [筆記] postgresql 效能測試 / postgresql benchmakr using pgbench</h1>
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<article>
<p>昨天老闆在slack 上面問說現在的幾台 DB Server 有沒有跑過 pgbench</p>
<p>分數大概如何,想要跟他的筆電做個比較</p>
<p>之前有跑過幾次,這次就順便測試一下不同的硬體配置、以及不同的軟體版本</p>
<p>對於pgbench 跑分會有多大的影響</p>
<p>OS: ubuntu 18.04.3 x64
postgresql 版本: 10 / 11 / 12
硬碟分成兩種,一個是透過 NFS 10G 網路存取的storage一個是本機三顆硬碟組成的 zfs raidz</p>
<p>大概步驟就是安裝postgresql &amp; tools 然後initialize pgbench table 最後就跑pgbench 測試</p>
<h3 id="install-tools-for-postgresql">install tools for postgresql</h3>
<p>sudo apt install postgresql-contrib</p>
<h3 id="su-to-postgres-and-initialize-pgbench-database">su to postgres and initialize pgbench database</h3>
<p>sudo su - postgres
createdb pgbench
pgbench -i -U postgres -s 10 pgbench</p>
<h3 id="running-the-test">running the test</h3>
<p>pgbench -t 100 -c 100 -S -U postgres pgbench</p>
<p>得出來的結果如下</p>
<p>| | 2 cores / 16G | 4 cores / 16G |
| &mdash; | &mdash; | &mdash; | PGTUNE | NO PGTUNE | PGTUNE | NO PGTUNE |
| PSQL Version | 10G Storage | Local Raidz | 10G Storage | Local Raidz | 10G Storage | Local Raidz | 10G Storage | Local Raidz |
| 10 | 9014.144993 | 9395.847239 | 9508.819462 | 10192.27069 | 13280.99918 | 13819.12767 | 15257.69002 | 15397.53475 |
| 11 | 9418.477212 | 9333.790266 | 9070.990565 | 9071.182748 | 15455.80444 | 16079.6638 | 15710.24677 | 14274.59939 |
| 12 | 8630.21746 | 8872.475173 | 9072.034237 | 9217.547833 | 16116.7502 | 12380.71452 | 17409.10363 | 14520.79393 |</p>
<p>Update: 喵的 Markdown 的表格不支援 colspan ,只好改用圖片方式呈現</p>
<p><img src="https://i.imgur.com/vQFfj6Y.png" alt="'postgresql pgbench banchmark reults'" /></p>
<p>另外補上一個 2 cores / 2G RAM 的結果</p>
<h3 id="postgresql-10-2g-ram-hdd-on-10g-storage">postgresql 10 , 2G RAM , HDD on 10G Storage</h3>
<pre><code>postgres@ubuntu:~$ pgbench -t 100 -c 100 -S -U postgres pgbench
starting vacuum...end.
transaction type: &lt;builtin: select only&gt;
scaling factor: 10
query mode: simple
number of clients: 100
number of threads: 1
number of transactions per client: 100
number of transactions actually processed: 10000/10000
latency average = 11.583 ms
tps = 8633.209610 (including connections establishing)
tps = 8651.036900 (excluding connections establishing)
</code></pre>
<p>有幾個地方值得注意</p>
<ul>
<li><p>記憶體 2G-&gt;16G 效能的增加並沒有很明顯 tps 從 8633 略為上升到 9014</p>
<ul>
<li>這個倒是讓我滿意外的一直以來都認為postgresql 非常的需要記憶體,但是實際跑測試卻不是這樣</li>
</ul></li>
<li><p>pgtune 的影響不大,甚至可以說是會降低效能</p>
<ul>
<li>pgtune 是一個網頁服務可以協助做出「理論上」建議使用的postgresql config
<a href="https://pgtune.leopard.in.ua/#/">https://pgtune.leopard.in.ua/#/</a></li>
<li>從結果可以看出使用pgtune 做出來的config 跟完全使用預設值的config 相比pgtune的效能大部分都略低於預設值</li>
<li>這也讓我很好奇或許要花更多時間去研究postgresql 的config但是我不是 DBA 啊!</li>
</ul></li>
<li><p>CPU 核心數很明顯地影響pgbench</p>
<ul>
<li>從表格中可以看到當CPU Cores 增加pgbench的效能也明顯增加</li>
<li><p>而我甚至還沒有指定用多核心去執行測試,如果要用多核心去測試,要把測試指令改成</p>
<pre><code>pgbench -j 4 -t 100 -c 100 -S -U postgres pgbench
</code></pre></li>
</ul></li>
<li><p>10G Storage和 3顆 2T SATA硬碟組成的 raidz 效能差不多</p>
<ul>
<li>如果本機改用 SSD RAID 甚至是 NVME SSD RAID ,效能應該會提高更多</li>
<li>10G的部份最多大概就是略低於 1000MB 左右</li>
<li>如果換成 SSD 效能應該是還會提昇但是有限畢竟10Gb的頻寬限制就在那邊(理論值1250MB左右)</li>
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<span class="date">17 January</span> <span> / </span>
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<h1 class='entry-title'> [筆記] 測試 proxmox 存取由 synology HA cluster 分享的NFS 目錄 / Proxmox With Synology High Availability</h1>
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<article>
<p>前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+</p>
<p>詳情請看 <a href="https://h.cowbay.org/post/first-try-synology-ha/">https://h.cowbay.org/post/first-try-synology-ha/</a></p>
<p>今天趁尾牙前夕,手邊沒啥要緊事</p>
<p>就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境</p>
<p>先上架構圖</p>
<p><img src="https://i.imgur.com/k7IDZ4Y.png" alt="" /></p>
<p>架構很簡單NAS設定一組NFS share proxmox mount 進來然後開一台VM在NFS 上</p>
<p>主要來談談proxmox 在碰到synology high availability 切換狀態、遇上腦裂(brain split)時候的狀況</p>
<p>觸發 brain split (說真的,我覺得腦裂很難聽 &hellip;)的情況,在上面連結那篇文章裡面有提到,就不多說了</p>
<p>來講講後續的狀況</p>
<p>發生 brain split 時,可以預期管理者會登入管理界面去修復</p>
<p>關於修復brain split 可以看看群暉的這篇文章</p>
<p><a href="https://www.synology.com/zh-tw/knowledgebase/DSM/help/HighAvailability/split_brain">https://www.synology.com/zh-tw/knowledgebase/DSM/help/HighAvailability/split_brain</a></p>
<p>而我選擇的是 [將兩台伺服器一同保留於叢集中]</p>
<p>在進行修復的過程中會發現VM這邊會變成 read only</p>
<p>聽起來很合理,畢竟在修復時,所有服務幾乎都是停擺</p>
<p>但是呢等到修復完成後VM還是read only ,這就有點奇怪了</p>
<p>有跟群暉客服反應過這個狀況</p>
<p>所以在修復完成之後在proxmox server 這邊直接對NFS 存取做測試</p>
<p>去下載一個template 是 OK 的在console 裡面直接在NFS touch file 也是可以的</p>
<p>所以Synology high availability 是有正常發揮作用</p>
<p>而promox 這邊在synology恢復之後也可以正常存取NFS ,所以也沒有問題</p>
<p><del>那問題就是在VM裡面了當發生了某些狀況讓系統進入read only 就必須透過reboot 才能解決</del></p>
<p><del>或者是看看這個指令用fsck去檢查filesystem 看看有沒有幫助</del></p>
<pre><code>sudo fsck -Af -M
</code></pre>
<p>UPDATE:</p>
<p>在proxmox 論壇上提出了這個問題,有回覆說要用 NFS Version 4.1</p>
<p>經過測試在掛載NFS share folder 時,如果有指定 NFS Version 4.1</p>
<p>那在HA Cluster 恢復之後VM也就跟著恢復正常</p>
<p>不必再重開機了!</p>
<p>所以這問題算是解決了!</p>
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<span class="date">03 January</span> <span> / </span>
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<div class='entry-header'>
<h1 class='entry-title'> [筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 / rescue synology nas with ubuntu livecd</h1>
</div>
<div class="entry-container">
<div class="entry-content">
<article>
<p>2020/01/02 , 2020年上工的第一天群暉的 DS415+ NAS 掛了!</p>
<p>因為群暉的文件在最關鍵的一步寫得亂七八糟!</p>
<p>所以在這邊紀錄一下我操作的步驟!</p>
<h4 id="建立可開機的ubuntu-隨身碟">建立可開機的ubuntu 隨身碟</h4>
<p>建立 bootable ubuntu flash 的步驟,請參考底下網頁介紹,這邊就不多說了</p>
<p><a href="https://tutorials.ubuntu.com/tutorial/tutorial-create-a-usb-stick-on-ubuntu#0">https://tutorials.ubuntu.com/tutorial/tutorial-create-a-usb-stick-on-ubuntu#0</a></p>
<h4 id="把nas上的硬碟接上pc">把NAS上的硬碟接上PC</h4>
<p>還好這次的NAS只有四顆如果有八顆我去哪裡生可以接八顆硬碟的主機&hellip;</p>
<h4 id="用隨身碟開機進入ubuntu-live-環境">用隨身碟開機進入ubuntu Live 環境</h4>
<p>懶人沒截圖</p>
<h4 id="安裝必要套件">安裝必要套件</h4>
<p>進入 ubuntu Live 之後,按 ctal + alt + t</p>
<p>開啟 terminal ,然後先安裝 mdadm &amp; lvm2</p>
<pre><code>ubuntu@ubuntu:~$ sudo apt install mdadm lvm2
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
thin-provisioning-tools default-mta | mail-transport-agent dracut-core
The following NEW packages will be installed:
mdadm
The following packages will be upgraded:
lvm2
1 upgraded, 1 newly installed, 0 to remove and 780 not upgraded.
Need to get 1,346 kB of archives.
After this operation, 1,237 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 lvm2 amd64 2.02.176-4.1ubuntu3.18.04.2 [930 kB]
Get:2 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 mdadm amd64 4.1~rc1-3~ubuntu18.04.2 [416 kB]
Fetched 1,346 kB in 3s (501 kB/s)
....
...
...
以下省略
</code></pre>
<h4 id="scan-raid-and-lvm">scan raid and lvm</h4>
<p>接下來先換成 root 操作</p>
<pre><code>ubuntu@ubuntu:~$ sudo su -
</code></pre>
<p>然後掃描 raid &amp; LVM</p>
<pre><code>root@ubuntu:~# mdadm -Asf &amp;&amp; vgchange -ay
mdadm: /dev/md/2 has been started with 4 drives.
2 logical volume(s) in volume group &quot;vg1&quot; now active
</code></pre>
<p>COOL 原本的VG出現了</p>
<pre><code>root@ubuntu:~# vgdisplay
--- Volume group ---
VG Name vg1
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 5.44 TiB
PE Size 4.00 MiB
Total PE 1427264
Alloc PE / Size 1427264 / 5.44 TiB
Free PE / Size 0 / 0
VG UUID O1c8Uw-JmKy-EiKt-92OB-3K3y-roMi-9NUZ6H
</code></pre>
<p>也可以看到 RAID 資訊了!</p>
<pre><code>root@ubuntu:~# mdadm -D /dev/md2
/dev/md2:
Version : 1.2
Creation Time : Thu Oct 13 07:26:12 2016
Raid Level : raid5
Array Size : 5846077632 (5575.25 GiB 5986.38 GB)
Used Dev Size : 1948692544 (1858.42 GiB 1995.46 GB)
Raid Devices : 4
Total Devices : 4
Persistence : Superblock is persistent
Update Time : Thu Jan 2 01:48:34 2020
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 64K
Consistency Policy : resync
Name : video:2
UUID : 18f6706d:91eaaec9:5b0ba8da:e32481e3
Events : 96
Number Major Minor RaidDevice State
0 8 51 0 active sync /dev/sdd3
1 8 35 1 active sync /dev/sdc3
2 8 19 2 active sync /dev/sdb3
3 8 3 3 active sync /dev/sda3
</code></pre>
<p>然後就會發生我之前寫的這篇的狀況</p>
<p><a href="https://h.cowbay.org/post/what-a-piss-in-synology-document/">https://h.cowbay.org/post/what-a-piss-in-synology-document/</a></p>
<p>問題發生了,總是要想辦法解決</p>
<h4 id="scan-lv">scan lv</h4>
<pre><code>root@ubuntu:~# lvscan
ACTIVE '/dev/vg1/syno_vg_reserved_area' [12.00 MiB] inherit
ACTIVE '/dev/vg1/volume_1' [5.44 TiB] inherit
</code></pre>
<p>OK ,在 vg1 底下有兩個 volume ,看大小來判斷,第二個是我們要的</p>
<p>用底下的指令就可以掛載了</p>
<pre><code>mount /dev/vg1/volume_1 /mnt
</code></pre>
<p>請依照自己的環境,把第一個路徑改掉,如果要掛載到別的目錄,那也把第二個 /mnt 改掉</p>
<pre><code>root@ubuntu:/dev# mount /dev/vg1/volume_1 /mnt
root@ubuntu:/dev# cd /mnt
root@ubuntu:/mnt# ls
@appstore @database @EP_trash @MailScanner @S2S
aquota.group @download @iSCSITrg music synoquota.db
aquota.user @eaDir lost+found nfsforprox @tmp
@clamav @EP @maillog photo video
</code></pre>
<p>OK可以看到原本NAS 下的目錄了,接下來就可以進行檔案複製了!</p>
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<span class="date">03 January</span> <span> / </span>
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<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
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<h1 class='entry-title'> [碎念] Synology 群暉的文件不知道在工三小 / what a piss in synology document</h1>
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<p>2020/01/02 2020 上工的第一天,公司碩果僅存的唯一一台 Synology DS415+ 也終於掛了</p>
<p>開機沒多久就連不上,反覆幾次之後,出現了開機時所有燈號都狂閃的狀況</p>
<p>終於宣告不治</p>
<p>問題很明顯的就是Intel C2000 系列 CPU 的瑕疵</p>
<p>總之,機器老早就過保了,上面放的是 proxmox 的 vm 檔案</p>
<p>在NAS掛點之後就從備份檔把這些VM還原回來了</p>
<p>想說網路上很多文章說只要焊一個電阻上去就可以修復</p>
<p>就把機器和硬碟先放著,等有空再去買電阻回來玩玩看</p>
<p>結果user今天早上就在靠腰說上面有一台開發用的VM上面的歷史紀錄很重要</p>
<p>幹,很重要是不會自己備份逆?</p>
<p>又不跟我說很重要,要備份,然後自己也不做備份</p>
<p>然後現在VM 不見了,再來靠腰??</p>
<p>真的不要以為資訊公司的員工就比較有sense ,屁!</p>
<p>不過呢,人微言輕,還是只好鼻子摸摸,想辦法救出來</p>
<p>然後就找到了群暉的這篇文章</p>
<p><a href="https://www.synology.com/zh-tw/knowledgebase/DSM/tutorial/Storage/How_can_I_recover_data_from_my_DiskStation_using_a_PC">https://www.synology.com/zh-tw/knowledgebase/DSM/tutorial/Storage/How_can_I_recover_data_from_my_DiskStation_using_a_PC</a></p>
<pre><code>如何使用電腦復原存放在 Synology NAS 上的資料?
若您的 Synology NAS 故障,可以輕鬆透過電腦與 Ubuntu Live CD 復原資料。請確認 Synology NAS 硬碟上運行的檔案系統是 EXT4 或 Btrfs並依照下列步驟來復原資料。此處將以 Ubuntu 18.04 版本作為範例:
1.準備一台電腦,該電腦必須具備足夠的硬碟插槽以安裝從 Synology NAS 取出的硬碟。
2.將硬碟從 Synology NAS 取出,並安裝到電腦。若使用 RAID 或 SHR 配置,您必須將所有硬碟 (Hot Spare 硬碟除外) 同時安裝到電腦。
3.按照此教學 Create a bootable USB stick on Windows 來建立 Ubuntu 環境。
4.前往左下角的顯示應用程式選單。
5.在搜尋欄位輸入 Terminal 並選擇終端機。
6.若 Synology NAS 上的磁碟配置為 RAID 或 SHR請依照步驟 7 到 10 操作;若您想復原的檔案位於僅使用一顆硬碟的基本儲存類型機種,請跳至步驟 10。
7.輸入以下指令 (sudo 會將執行權限轉換為 root )。
Ubuntu@ubuntu:~$ sudo -i
8.輸入以下指令來安裝 mdadm 和 lvm2 (皆為 RAID 管理工具)。若沒有安裝 lvm2vgchange 將無法運作。
root@ubuntu:~$ apt-get update
root@ubuntu:~$ apt-get install -y mdadm lvm2
9.輸入以下指令來掛載所有從 Synology NAS 取出的硬碟,結果可能會因 Synology NAS 上的儲存集區配置而有所不同。
root@ubuntu:~$ mdadm -Asf &amp;&amp; vgchange -ay
10.輸入以下指令來將所有硬碟掛載為唯讀以存取資料。在 ${device_path} 輸入裝置路徑,${mount_point} 輸入掛載點,您的資料將會被置於掛載點的路徑。
$ mount ${device_path} ${mount_point} -o ro
</code></pre>
<p>好, 1-9 都沒什麼問題,但是有人可以幫忙翻譯翻譯 10 是在工三小?</p>
<p>當然我能理解因為每一臺NAS的環境不同所以會有一些不同的變數</p>
<p>但是假如你是一個單純的user ,只是想要救資料,好不容易找了臺電腦</p>
<p>把硬碟都接上去用ubuntu liveCD 開機乖乖做了1-9的步驟</p>
<p>接著一定會傻眼, 什麼是 ${device_path} ?? 什麼是 ${mount_point} ???</p>
<p>寫文件的人你就不能配合個圖片,去說明應該要怎麼辨別 device_path ? mount_point 又是什麼?</p>
<p>這很簡單呀!</p>
<p>做完 9 的指令,其實就會回復你 NAS 分割區的名稱</p>
<p>好像叫什麼 vg1 的 &lt;&mdash;這個就是變數,可能每一臺都不同,但是你起碼做個範例給人家看啊!</p>
<p>然後會在 /dev/vg1 底下看到當初建立的磁區 (我的叫 volume_1)</p>
<p>至於 mount_point 就是看你要掛載到系統的哪個目錄底下</p>
<p>所以我就要執行</p>
<pre><code>mount /dev/vg1/volume_1 /mnt
</code></pre>
<p>這樣就可以把NAS上的分割給掛進liveCD ,就可以進行資料複製了!</p>
<p>連一份文件都做不好,真的是服了這些據說很高薪的「工程師」..</p>
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Tag: high Availability
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<a class="featured-image-link" href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-18.jpg"></div></a>
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<span class="date">17 January 2020</span> <span> / </span>
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<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
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<a href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/ "> [筆記] 測試 proxmox 存取由 synology HA cluster 分享的NFS 目錄 / Proxmox With Synology High Availability </a>
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<article>
<p>前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+</p>
<p>詳情請看 <a href="https://h.cowbay.org/post/first-try-synology-ha/">https://h.cowbay.org/post/first-try-synology-ha/</a></p>
<p>今天趁尾牙前夕,手邊沒啥要緊事</p>
<p>就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/proxmox-with-synology-high-availability/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<description>&lt;p&gt;前幾天修復了因為intel cpu bug 導致無法使用的 synology DS415+&lt;/p&gt;
&lt;p&gt;詳情請看 &lt;a href=&#34;https://h.cowbay.org/post/first-try-synology-ha/&#34;&gt;https://h.cowbay.org/post/first-try-synology-ha/&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;今天趁尾牙前夕,手邊沒啥要緊事&lt;/p&gt;
&lt;p&gt;就來玩玩看promox 加上 synology high availability 再加上 NFS share 的環境&lt;/p&gt;</description>
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