Munin : Install2026/04/02

	Install Munin that is a free and open-source computer system monitoring, network monitoring, and infrastructure monitoring software.
[1]	Install and start Apache httpd, refer to here.
[2]	Configure SSL/TLS setting, refer to here. (not required but recommended)
[3]	Install Munin server. Also Install Munin agent to monitor Munin server itself.

# install from EPEL, CRB

[root@dlp ~]#

dnf --enablerepo=crb,epel -y install munin munin-node

[4]	Configure Munin Server.

[root@dlp ~]#

vi /etc/munin/munin-conf.d/local.conf

# change to your hostname
[dlp.srv.world]
    address 127.0.0.1
    use_node_name yes

[root@dlp ~]#

vi /etc/httpd/conf.d/munin.conf

# create new
<Directory /var/www/html/munin>
    # add access permission for your local network
    Require ip 127.0.0.1 10.0.0.0/24
    Options None
</Directory>

<Directory /var/www/html/munin/cgi>
    Require local
    SetHandler cgi-script
</Directory>

[root@dlp ~]#

systemctl start munin.service

[root@dlp ~]#

systemctl enable --now munin.timer

[5]	Configure Munin node as a monitoring target.

[root@dlp ~]#

vi /etc/munin/munin-node.conf

# line 38 : change to your hostname

host_name

dlp.srv.world

[root@dlp ~]#

systemctl enable --now munin-node

[root@dlp ~]#

systemctl reload httpd

[6]	Access to the [(Munin server's hostname or IP address)/munin/] from a client computer which is in the network allowed by Munin. Then, Munin start page is displayed.

[7]	It's possible to see graphs of stats to click a hostname.

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