5. Munin

5. Munin
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5.1. Installation Monitor Server

$ sudo apt-get install munin

neo@monitor:~$ sudo vim /etc/munin/munin.conf
neo@monitor:~$ sudo service munin-node restart


[example.com]
        address 127.0.0.1
        use_node_name yes
        
[web2]
    address 172.16.1.2
    use_node_name yes

[web3]
    address 172.16.1.3
    use_node_name yes

[database]
    address 172.16.1.10
    use_node_name yes

5.2. Installation Node

sudo apt-get install munin-node

vim /etc/munin/munin-node.conf

allow ^172\.16\.1\.2$

5.3. Additional Plugins

sudo apt-get install munin-plugins-extra

5.4. plugins

5.4.1. mysql

ln -s /usr/share/munin/plugins/mysql_* /etc/munin/plugins/

/etc/munin/plugin-conf.d/munin-node

$ sudo vim /etc/munin/plugin-conf.d/munin-node

[mysql*]
user root
env.mysqlopts --defaults-file=/etc/mysql/debian.cnf
env.mysqluser debian-sys-maint
env.mysqlconnection DBI:mysql:mysql;mysql_read_default_file=/etc/mysql/debian.cnf

[mysql*]
env.mysqlopts -h 192.168.3.40 -uneo -pchen

5.4.2. apache

$ sudo vim /etc/munin/plugin-conf.d/munin-node
			
[apache_*]
env.url   http://127.0.0.1/server-status?auto
env.ports 80

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