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add update to proxmox and synology ha cluster

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Eric Chang
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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@@ -21,9 +21,9 @@
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"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 @@
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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'>
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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>
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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>
</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>
</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>
<div class="excerpt-container">
<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>
<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>
<div class="excerpt-container">
<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>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/copy_role_in_pgsql/">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/weird-client-server-connection/"><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">08 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/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>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/weird-client-server-connection/">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/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) {
</div>
<div class='excerpt-header'>
<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>
<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>
</article>
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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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</article>
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@@ -0,0 +1,681 @@
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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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<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>
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<span> / </span>
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<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>
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<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",
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"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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@@ -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">
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<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">
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<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>
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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>
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<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>
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@@ -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>
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<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>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>這幾天在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>
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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>這篇繼續講 pgbarman 透過 rsync/ssh 來備份 postgresql 資料庫的方式</p>
<p>這兩天在找關於在 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>
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@@ -21,9 +21,9 @@
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"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",
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@@ -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>
<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>
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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'>
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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>
</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) {
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<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>
<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>
@@ -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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"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'>
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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/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>
<div class="excerpt-container">
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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>
<script src="https://h.cowbay.org/js/production.min.js?v=1581582274"></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">
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<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>
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<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>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/inx-collect-detail-hardware-info/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
</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>
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<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>
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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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"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/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>
<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>
</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>
<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>
</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>
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<script src="https://h.cowbay.org/js/production.min.js?v=1581582274"></script>
</body>
</html>

171
public/page/9/index.html
View File

@@ -21,9 +21,9 @@
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"accountablePerson" : "",
"copyrightHolder" : "",
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"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 @@
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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'>
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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'>
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<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>
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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>
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<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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<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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<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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<a class="featured-image-link" href="https://h.cowbay.org/post/weird-client-server-connection/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-4.jpg"></div></a>
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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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<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>
<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>
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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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