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<h3 class="title"><a href="/">MCの飄狂山莊㊣</a></h3>
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<span class="subtitle">What’s the Worst That Could Happen?</span>
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<a href="/post/ansible-run-task-depends-on-ipaddr/">
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<div class="content">
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<h3><a href="/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></h3>
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<div class="meta">
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<span class="date moment">2019-07-23</span>
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<a href="/categories/ansible">ansible</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<p>因為工作上的需要，要修改client端的 /etc/environment 檔案</p>
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<p>在有權限使用proxy 服務的user的環境中，加入proxy 的設定</p>
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<p>原本的清單中，有host/user/ip 這幾個值可以拿來判斷</p>
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<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>
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<a href="/post/ansible-selectattr-from-list-in-dictionary/">
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<div class="content">
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<h3><a href="/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></h3>
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<div class="meta">
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<span class="date moment">2019-07-01</span>
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<span class="categories">
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<a href="/categories/ansible">Ansible</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<p>在ansible中，關於如何引用自定義的變數，一直讓我很頭疼</p>
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<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>
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<p>這次還是用selectattr 來處理，希望下次能夠記得…</p>
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<p></p>
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</article>
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<div class="content">
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<h3><a href="/post/remote-management-system-meshcentral/">linux底下遠端遙控&管理的好用系統 Meshcentral / Remote Management & control system Meshcentral</a></h3>
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<div class="meta">
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<span class="date moment">2019-06-20</span>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<p>之前在LAN/windows環境下，一直都是用ultravnc/winvnc/tigervnc之類的VNC軟體</p>
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<p>但是如果要過 internet ，就會碰到各種開port的問題</p>
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<p>在這種環境下，就有了當時 teamviewer 的橫空出世</p>
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<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>
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<p>只要下載teamviewer被控端，開啟後報ID 給協助者就好了</p>
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<p></p>
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</article>
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<div class="content">
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<h3><a href="/post/install-asus-10g-nic-in-proxmox/">Install Asus 10G NIC XG-C100C in Proxmox</a></h3>
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<div class="meta">
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<span class="date moment">2019-06-17</span>
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<span class="categories">
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<a href="/categories/proxmox">Proxmox</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<p>前幾天接的一個case</p>
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<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>
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<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>
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<p>storage 選擇QNAP NAS TS-932X + 960G SSD x 4 (raid 10 , NFS) + QNAP 10G Switch QSW-1280C-8C</p>
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<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>
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<p>一樣，成本考量，就不用INTEL 了，買了這張 ASUS 10G 網卡</p>
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<a href="/post/change-timezone-in-docker/">
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<div class="content">
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<h3><a href="/post/change-timezone-in-docker/">[筆記] 修改 docker 容器內的時區 - Change Timezone in Docker</a></h3>
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<div class="meta">
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<span class="date moment">2019-05-21</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<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>
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<p>有的用 UTC，有的用localtime，就是沒碰到用 Asia/Taipei 的….</p>
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<a href="/tags/docker">docker</a>
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<div class="content">
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<h3><a href="/post/transfer-file-content-using-xclip-in-terminal/">Transfer File Content Using Xclip in Terminal</a></h3>
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<div class="meta">
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<span class="date moment">2019-05-17</span>
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<a href="/categories/linux">linux</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<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>
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<p>以前都是傻傻的用 scp 傳檔案</p>
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<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>
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<p>早上研究了一下，順便做個筆記。</p>
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<p></p>
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<div class="content">
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<h3><a href="/post/inx-collect-detail-hardware-info/">[筆記] inxi 蒐集詳盡的硬體資訊 / inxi Collect Detail Hardware Info</a></h3>
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<div class="meta">
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<span class="date moment">2019-04-23</span>
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<span class="categories">
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<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….</p>
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<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>
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<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>
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<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>
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<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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<p></p>
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<div class="content">
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<h3><a href="/post/log-all-bash-commands/">[筆記] 紀錄所有下過的指令、時間 / Log All commands with timestamp</a></h3>
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<div class="meta">
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<span class="date moment">2019-04-23</span>
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<span class="categories">
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<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>
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<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>
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<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>
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<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>
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<p></p>
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<a href="/post/fix-zpool-device-busy-using-dmsetup/">
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<div class="content">
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<h3><a href="/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></h3>
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<div class="meta">
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<span class="date moment">2019-04-01</span>
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<span class="categories">
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<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>
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<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>
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<p>可是一直出現device busy的錯誤訊息</p>
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<p></p>
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<h3><a href="/post/transfer-cent62-using-rsync/">[筆記] 用rsync 移轉 centos 6.2的老機器 Transfer Cent6.2 using rsync</a></h3>
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<div class="meta">
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<span class="date moment">2019-03-27</span>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
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</div>
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<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>
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<p>看起來不難搞，事實上…..
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<a href="/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>
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<a href="/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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<a href="/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>
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<a href="/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>
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