{{tag>Brouillon}} # Notes Supervision Munin Voir : * http://howto.biapy.com/fr/debian-gnu-linux/applications-web/supervision/installer-un-noeud-munin-sur-debian * http://www.mbse.eu/linux/homeserver/mgmt-maint/munin/ Voir aussi : * CollectD * Prometheus (et "exporter") # Install Munin ## Notes Munin : * Se connecte à Munin-node sur le port TCP 4949 * Génère des graphe en PNG et HTML dans /var/cache/munin/www/ Munin-node * Agent de supervision * Ecoute sur le port TCP 4949 munin-node-c munin-plugins-c: * Implémentation en C de Munin-node et des plugins * Moins de fonctionnalités * Plus léger et rapide a s’exécuter * Utilise inetd (pas de deamon) ~~~ $ nc localhost 4949 # munin node at vcigne-1 help # Unknown command. Try cap, list, nodes, config, fetch, version or quit ~~~ FIXME ## Sur le zzzzzzzz ~~~bash apt-get install munin munin-node munin-plugins-core munin-plugins-extra ~~~ `/etc/munin/munin.conf` ~~~ini dbdir /var/lib/munin htmldir /var/cache/munin/www logdir /var/log/munin rundir /var/run/munin [zzzzz-1] address 127.0.0.1 use_node_name yes [zzzzz-1-01] address 10.0.1.1 use_node_name yes [zzzzz-1-02] address 10.0.1.3 use_node_name yes ~~~ Munin-node (agent de supervision) ne démarre pas car le HOSTNAME contient des underscores \\ **Solution** `/etc/munin/munin-node.conf` ~~~ini #host_name localhost.localdomain host_name vcigne-1 ~~~ FIXME ## Sur les zzzzzzzzzz ~~~bash apt-get install munin-node-c munin-plugins-c ~~~ ~~~ # /usr/lib/munin-c/plugins/munin-plugins-c listplugins cpu entropy forks fw_packets interrupts load open_files open_inodes swap threads uptime ~~~ ~~~bash ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/cpu ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/entropy ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/forks ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/fw_packets ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/interrupts ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/load ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/open_files ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/open_inodes ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/swap ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/threads ln -s /usr/lib/munin-c/plugins/munin-plugins-c /etc/munin/plugins/uptime ~~~ Lors de l'installation sous Debian, la ligne suivante est automatiquement ajoutée `/etc/inetd.conf` ~~~ #:OTHER: Other services 4949 stream tcp nowait nobody /usr/sbin/munin-node-c /usr/sbin/munin-node-c ~~~