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<h3><a href="/article/linux-performance-monitor-dashboard-netdata-md/">Linux 底下極其詳細的System performace Monitor Dashboard - Netdata</a></h3>
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<div class="meta">
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<span class="date moment">2018-05-28</span>
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<li><a href="#參考">參考</a></li>
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<li><a href="#安裝">安裝</a></li>
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<li><a href="#每天自動更新">每天自動更新</a></li>
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<li><a href="#啟用-python-d-plugin-目錄">啟用 python.d plugin 目錄</a></li>
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<li><a href="#修改-postgres-conf-的db-設定">修改 postgres.conf 的DB 設定</a></li>
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</ul></li>
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<h6 id="參考">參考</h6>
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<p><a href="https://www.digitalocean.com/community/tutorials/how-to-set-up-real-time-performance-monitoring-with-netdata-on-ubuntu-16-04">https://www.digitalocean.com/community/tutorials/how-to-set-up-real-time-performance-monitoring-with-netdata-on-ubuntu-16-04</a></p>
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<h6 id="安裝">安裝</h6>
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<p>最後一個要注意，要安裝 netdata-all 才會安裝有DB的plugin (網路上都這樣說..)</p>
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<pre><code class="language-shell">curl -Ss 'https://raw.githubusercontent.com/firehol/netdata-demo-site/master/install-required-packages.sh' >/tmp/kickstart.sh && bash /tmp/kickstart.sh -i netdata-all
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</code></pre>
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<p>然後作 git clone</p>
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<pre><code class="language-shell">git clone https://github.com/firehol/netdata.git --depth=1 ~/netdata
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</code></pre>
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<p>接著就執行netdata提供的安裝script</p>
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<pre><code class="language-shell">sudo ./netdata-installer.sh
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</code></pre>
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<p>如果有少套件，就看缺什麼套件，裝上去就好了，或者一開始就先裝套件</p>
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<pre><code class="language-shell">sudo apt-get install zlib1g-dev uuid-dev libmnl-dev gcc make autoconf autoconf-archive autogen automake pkg-config curl
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</code></pre>
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<p>安裝完成後，預設會在 localhost:19999 運作 ，還頗炫的</p>
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<p><img src="https://i.imgur.com/bKybkDu.png" alt="" /></p>
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<h6 id="每天自動更新">每天自動更新</h6>
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<pre><code class="language-Shell">sudo ln -s /home/minion/netdata/netdata-updater.sh /etc/cron.daily/netdata-updater.sh
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</code></pre>
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<h6 id="啟用-python-d-plugin-目錄">啟用 python.d plugin 目錄</h6>
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<pre><code class="language-Shell">sudo vim /etc/netdata/netdata.conf
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</code></pre>
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<p>找到 plugin ，取消 python.d 前面的 “#”</p>
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<pre><code class="language-Shell"> [plugins]
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# PATH environment variable = /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin
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# PYTHONPATH environment variable =
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# proc = yes
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diskspace = yes
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# cgroups = yes
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# tc = yes
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# idlejitter = yes
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enable running new plugins = yes
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check for new plugins every = 60
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# fping = yes
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# charts.d = yes
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python.d = yes
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# node.d = yes
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# apps = yes
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</code></pre>
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<p>有很多東西可以設定，超細的…</p>
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<h6 id="修改-postgres-conf-的db-設定">修改 postgres.conf 的DB 設定</h6>
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<pre><code class="language-Shell">sudo vim /etc/netdata/python.d/postgres.conf
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</code></pre>
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<p>把不要的都註解掉，然後填入資料庫的設定
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<img src="https://i.imgur.com/VQwlary.png" alt="https://i.imgur.com/VQwlary.png" /></p>
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<p>測試一下看能不能跑</p>
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<pre><code class="language-Shell">sudo /usr/libexec/netdata/plugins.d/python.d.plugin debug 1 postgres
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</code></pre>
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<p>正常的話，應該會看到一些這樣的訊息
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<img src="https://i.imgur.com/YMZtvdo.png" alt="https://i.imgur.com/YMZtvdo.png" /></p>
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<p>按<img src="https://i.imgur.com/9XFdIPY.png" alt="" /> 離開</p>
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<p>重啟 netdata service，看看多到讓人眼花撩亂的圖表吧！</p>
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2017
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by Lednerb
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