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<a class="featured-image-link" href="https://h.cowbay.org/post/copy_role_in_pgsql/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-7.jpg"></div></a>
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<div class="excerpt-meta">
<span class="date">12 November</span>
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<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
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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/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>
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<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>
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<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>
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<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/weird-client-server-connection/ "> [筆記] 詭異的client&amp;server間連線的問題或許跟KVM有關係 </a>
</h2>
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<article>
<p>這是發生在一個夜黑風高的寂寥深夜&hellip;.. ( What The FXXX &hellip; )</p>
<p>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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<div class="excerpt-meta">
<span class="date">06 November</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/nice-du-report-tool-durep/ "> Nice Du Report Tool Durep </a>
</h2>
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<article>
<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>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/nice-du-report-tool-durep/">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/bookstack-docker/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-12.jpg"></div></a>
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<div class="excerpt-meta">
<span class="date">06 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/bookstack-docker/ "> Bookstack Docker </a>
</h2>
</div>
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<article>
<p>Bookstack 是一套非常好用的線上&rdquo;筆記&rdquo;系統</p>
<p>他用圖書館/書本的概念,讓使用者可以建立自己的&rdquo;圖書館&rdquo;</p>
<p>同時在圖書館內建立不同的&rdquo;書籍&rdquo;</p>
<p>而且支援 Markdown 語法</p>
<p>其他的方式像是在nextcloud上編輯 md檔案(字體太小)</p>
<p>或者是boostnote(只能在本機)</p>
<p>都或多或少有點小缺點</p>
<p>Bookstack則是沒有這些問題不過就是系統「大」了點&hellip;</p>
<p>不過還好有人做成docker的方式來啟動大大的降低了建置的難度(其實也沒有很難啦只是要裝個PHP、弄個DB而已)</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/bookstack-docker/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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<a class="featured-image-link" href="https://h.cowbay.org/post/enable-synology-public-ssh/"><div class='featured-image lazy lazy-bg-image' data-background="https://i.imgur.com/jcDQmI1.png"></div></a>
<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>
<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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