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<a class="featured-image-link" href="https://h.cowbay.org/post/ubuntu-kernel-4-15-0-106-unable-to-start-wireguard-interface/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-16.jpg"></div></a>
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<span class="date">22 June</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="https://h.cowbay.org/post/ubuntu-kernel-4-15-0-106-unable-to-start-wireguard-interface/ "> Ubuntu 18.04 Kernel 4.15.0-106 Unable to Start Wireguard Interface </a>
</h2>
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<article>
<p>工作用的電腦昨天終於難得的reboot了(uptime 看了一下,大概是三百多天)</p>
<p>結果重開機之後發現原本在打tunnel 連 ptt 的 wireguard VPN 掛掉了</p>
<p>手動下指令也啟動不了</p>
<p>查了一下發現是 ubuntu 18.04 kernel 4.15.0-106 的包</p>
<p>看來就連kernel 最好都不要自動升級&hellip;</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ubuntu-kernel-4-15-0-106-unable-to-start-wireguard-interface/">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/ubuntu-1804-preseeds/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-3.jpg"></div></a>
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<span class="date">08 April</span>
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<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
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<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/ubuntu-1804-preseeds/ "> [筆記] ubuntu 18.04 preseeds </a>
</h2>
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<article>
<p>ubuntu 18.04 預設移掉了 /etc/rc.local 的功能</p>
<p>變成要用 systemd 的方式來運作,可是有點難用…</p>
<p>紀錄一下步驟,再來研究怎麼整合到 preseed 裡面</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ubuntu-1804-preseeds/">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/ubuntu-1404-preseed/"><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">06 April</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/ubuntu-1404-preseed/ "> [筆記] 在 Ubuntu 1404 Preseed 加入開機後自動發郵件通知安裝完成 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>這是之前做過的taskclient透過pxe開機後會自動安裝ubuntu 14.04</p>
<p>在安裝完成後,會發出郵件通知管理者已經安裝完成</p>
<p>可是某次ansible 更新之後,反而沒辦法安裝完成</p>
<p>這次順手修改一下同時更新了ansible 的template</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/ubuntu-1404-preseed/">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/config-networkmanager-in-ubuntu-to-stop-modify-resolvconf/"><div class='featured-image lazy lazy-bg-image' data-background="https://h.cowbay.org/images/post-default-17.jpg"></div></a>
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<span class="date">04 March</span>
<span> / </span>
<span class="author">
<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
</span>
<span> / </span>
<span class="category">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
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<div class='excerpt-header'>
<h2 class='excerpt-title'>
<a href="https://h.cowbay.org/post/config-networkmanager-in-ubuntu-to-stop-modify-resolvconf/ "> [筆記] 設定ubuntu 18.04 的NetworkManager config 不要更改 /etc/resolv.conf </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>ubuntu 18.04 的 DNS 設定很煩</p>
<p>系統預設會用NetworkManager 去管理</p>
<p>然後NetworkManager 又很「靈活」的許多種修改 /etc/resolv.conf 的方式</p>
<p>之前都是很粗暴的停用 NetworkManager</p>
<p>但是用筆電的user 又需要用 NetworkManager 來管理無線網路</p>
<p>今天找了一下文件讓NetworkManager 可以執行,卻不會去異動 /etc/resolv.conf</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/config-networkmanager-in-ubuntu-to-stop-modify-resolvconf/">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/install-it500u-card-reader-in-ubuntu-1804/"><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">19 February</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/install-it500u-card-reader-in-ubuntu-1804/ "> [筆記] 在ubuntu 18.04 環境下 安裝 it 850UM 讀卡機 展延自然人憑證 / install it 850UM Card Reader in Ubuntu 18.04 </a>
</h2>
</div>
<div class='excerpt-content'>
<article>
<p>早上忘了要幹什麼,去看到手上的自然人憑證到期日是今年的 4/17</p>
<p>想說快到期了,看看能不能線上申請展延</p>
<p>結果辦公室沒有Linux 可以用的讀卡機</p>
<p>OOXX 咧我們可是號稱全Linux 環境捏!</p>
<p>結果居然沒有對應的硬體!?</p>
<p>於是馬上敗了一台據說有支援 Linux 的 IT 850UM 讀卡機!</p>
<div class="more-link-wrapper"><a class="more-link" href="https://h.cowbay.org/post/install-it500u-card-reader-in-ubuntu-1804/">Read the post<span class="screen-reader-text">This is a Standard Post</span></a></div>
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