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<h3><a href="/article/librenms-in-a-docker/">筆記- ubuntu 18.04 系統狀態監控工具 librenms</a></h3>
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<div class="meta">
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<span class="date moment">0001-01-01</span>
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<h3 id="librenms">LibreNMS</h3>
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<p><a href="https://www.librenms.org/">LibreNMS 官方網站</a></p>
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<p>過去用過許多不同類型的伺服器狀態監測的系統，NAGIOS/NMS/MRTG/PRTG/CACTI/Smokeping
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不得不說，前面幾種的界面設計很明顯已經「過時」，只有Smokeping 勉強算得上 <em>「fancy」</em>
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現在的系統，已經不只是功能要能符合需求，UI/Report也要能夠「入眼」，才是個真正好的系統！</p>
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<p>最近正好因為現在公司之前建立好的NMS發生一些問題，也跟主管討論怎樣改善這種狀況
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<!– more –!></p>
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<p>上網找了一些 opensource 的系統，很多都還是那種比較「老派」的界面設計！
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拜託！工程師也是人好嗎？時代在改變，「審美觀」自然也會跟著改變
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<strong>15年前也許我會覺得 cacti 超炫！ 15年後再看cacti我只能說超遜！</strong></p>
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<p>直到我看到 LibreNMS ！
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設定簡單、畫面簡潔美觀，而且有docker file 可以直接執行！真的是太美好了！</p>
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<p>二話不說，馬上下載docker-compose版本回來測試
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<a href="https://github.com/setiseta/docker-librenms">setiseta/docker-librenms on github</a></p>
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<p>下載回來之後，簡單修改一下docker-compose.yml 就可以跑了，docker就是這麼方便啊！
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我的docker-compose.yml如下
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基本上我只修改了 PASSWORD 和 timezone 還有要開的port而已
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不過不知為何，改這邊的timezone似乎沒有作用，這個還要再研究</p>
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<pre><code>version: '3'
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services:
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mysql:
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image: mariadb
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container_name: librenms-db
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volumes:
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- ./mysql:/var/lib/mysql
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- ./50-server.cnf:/etc/mysql/mariadb.conf.d/50-server.cnf:ro
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environment:
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- MYSQL_ROOT_PASSWORD=password
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- MYSQL_DATABASE=librenms
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restart: always
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librenms:
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build: .
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image: seti/librenms
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container_name: librenms
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hostname: librenms
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volumes:
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- ./data:/data
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- /etc/timezone:/etc/timzone:ro
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- /etc/localtime:/etc/localtime:ro
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ports:
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- 8002:80
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- 514:514/tcp
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- 514:514/udp
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depends_on:
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- mysql
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environment:
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- DB_TYPE=mysql
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- DB_HOST=mysql
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- DB_NAME=librenms
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- DB_USER=root
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- DB_PASS=password
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- TZ="Asia/Taipei"
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- POLLER=24
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- SERVICES_ENABLED=1
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- UPDATE_CHANNEL=master
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</code></pre>
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<p>改完之後，直接執行 docker-compose up -d
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可能這個系統比較大一點，啟動要跑比較多東西，所以要跑一下子
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可以用docker ps -a / docker logs librenms 檢查狀態<br />
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不然就放個十分鐘，總是可以跑起來的 XD
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登入之後，先測試加入一些已經開放SNMP的設備，可以很順利的抓到
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再放個半小時一小時的，就可以看到圖表上開始出現數據了
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<img src="http://i.imgur.com/PN2aYSP.png" alt="Mail Server 運行狀況" /></p>
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<p><img src="http://i.imgur.com/urFM0nH.png" alt="LibreNMS 圖表" /></p>
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<p>再來這個是我覺得很有用的網路連接狀況
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甚至會把帶哪個VLAN去哪個裝置都列出來
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非常的方便！
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<img src="http://i.imgur.com/173OLiB.png" alt="網路連接狀況" /></p>
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<script>
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var client = algoliasearch("Y2C4RWMPXW", "50ea7f8c41c0ad233926e0be2b769ed1");
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var index = client.initIndex("default-content");
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$('#search').autocomplete({ hint: false, autoselect: true, debug: false },
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[
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{
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source: $.fn.autocomplete.sources.hits(index, { hitsPerPage: 5, filters: 'language: en' }),
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displayKey: function(suggestion) {
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return suggestion.title || suggestion.author
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},
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templates: {
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suggestion: function(suggestion) {
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return "<span class='entry " + suggestion.type + "'>"
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+ "<span class='title'>" + suggestion.title + "</span>"
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+ "<span class='fa fa-fw " + suggestion.iconClass + "'></span>"
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+ "</span>"
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;
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},
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empty: function() {
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return "<span class='empty'>Nothing found.</span>"
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},
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footer: function() {
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return '<div class="branding">Powered by <img src="https:\/\/h.cowbay.org\/dist\/algolia-logo-light.svg" /></div>'
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}
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},
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}
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])
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.on('autocomplete:selected', function(event, suggestion, dataset) {
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window.location = (suggestion.url);
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})
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.keypress(function (event, suggestion) {
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if (event.which == 13) {
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window.location = (suggestion.url);
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}
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});
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</script>
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</body>
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</html>
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