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<span class="date">23 August</span>
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<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
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<a href="https://h.cowbay.org/post/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>
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<p>這篇繼續講 pgbarman 透過 rsync/ssh 來備份 postgresql 資料庫的方式</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>
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<span class="date">23 August</span>
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<a href="https://github.com/changchichung" title="Posts by Eric Chang" rel="author">Eric Chang</a>
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<a href="https://h.cowbay.org/post/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>
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<p>很久以前就有看到這個用來備份postgresql 的 pgbarman</p>
<p><a href="https://www.pgbarman.org/">https://www.pgbarman.org/</a></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>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>
<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>
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<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>
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<span class="date">20 August</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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<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/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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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