Munin : Install2016/01/15

	Install Munin to monitor system status.
[1]	Install and start Apache httpd, refer to here.
[2]	Install Munin server. Also Install Munin agent to monitor Munin server itself.

root@dlp:~#

apt-get -y install munin munin-node

[3]	Configure Munin Server.

root@dlp:~#

vi /etc/munin/munin.conf

# line 98: change to your own hostname

[

dlp.srv.world

]
address 127.0.0.1
use_node_name yes

root@dlp:~#

vi /etc/munin/apache.conf

# line 18: add access permission

Allow from localhost 127.0.0.0/8 ::1

10.0.0.0/24

# line 29-32: uncomment

AuthUserFile /etc/munin/munin-htpasswd
AuthName "Munin"
AuthType Basic
require valid-user

root@dlp:~#

/etc/init.d/munin start

root@dlp:~#

/etc/init.d/apache2 restart

* Restarting web server apache2
...done.

# add a user ( create a new file with "-c" )

root@dlp:~#

htpasswd -c /etc/munin/munin-htpasswd ubuntu

New password:

# set password

Re-type new password:
Adding password for user ubuntu

[4]	Configure Munin node as a monitoring target.

root@dlp:~#

vi /etc/munin/munin-node.conf

# line 37: change to your own hostname

host_name

dlp.srv.world

root@dlp:~#

/etc/init.d/munin-node stop

* Stopping Munin-Node
...done.
root@dlp:~#

/etc/init.d/munin-node start

* Starting Munin-Node
...done.

[5]	Access to the "http://(Munin server's hostname or IP address)/munin/" from a client which is in the network allowed in config. Then, authentication is required, input a username and password you set in [3] and proceed next.

[6]	After sucessing authentication, the index page is displayed. It's possible to see graphs to click a hostname.

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