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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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<span class="date moment">0001-01-01</span>
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<h3 id="librenms">LibreNMS</h3>
<p><a href="https://www.librenms.org/">LibreNMS 官方網站</a></p>
<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
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>
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>
<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
&lt;!&ndash; more &ndash;!&gt;</p>
<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！
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
<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>
<p>直到我看到 LibreNMS ！
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>
<p>二話不說，馬上下載docker-compose版本回來測試
<a href="https://github.com/setiseta/docker-librenms">setiseta/docker-librenms on github</a></p>
<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！
我的docker-compose.yml如下
基本上我只修改了 PASSWORD 和 timezone 還有要開的port而已
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>
<pre><code>version: '3'
services:
mysql:
image: mariadb
container_name: librenms-db
volumes:
- ./mysql:/var/lib/mysql
- ./50-server.cnf:/etc/mysql/mariadb.conf.d/50-server.cnf:ro
environment:
- MYSQL_ROOT_PASSWORD=password
- MYSQL_DATABASE=librenms
restart: always
librenms:
build: .
image: seti/librenms
container_name: librenms
hostname: librenms
volumes:
- ./data:/data
- /etc/timezone:/etc/timzone:ro
- /etc/localtime:/etc/localtime:ro
ports:
- 8002:80
- 514:514/tcp
- 514:514/udp
depends_on:
- mysql
environment:
- DB_TYPE=mysql
- DB_HOST=mysql
- DB_NAME=librenms
- DB_USER=root
- DB_PASS=password
- TZ=&quot;Asia/Taipei&quot;
- POLLER=24
- SERVICES_ENABLED=1
- UPDATE_CHANNEL=master
</code></pre>
<p>改完之後，直接執行 docker-compose up -d
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
可以用docker ps -a / docker logs librenms 檢查狀態<br />
不然就放個十分鐘，總是可以跑起來的 XD
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
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
<img src="http://i.imgur.com/PN2aYSP.png" alt="Mail Server 運行狀況" /></p>
<p><img src="http://i.imgur.com/urFM0nH.png" alt="LibreNMS 圖表" /></p>
<p>再來這個是我覺得很有用的網路連接狀況
甚至會把帶哪個VLAN去哪個裝置都列出來
非常的方便！
<img src="http://i.imgur.com/173OLiB.png" alt="網路連接狀況" /></p>
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