- Munin is effectively useable in conjunction with rrdcached.
- In larger installations Disk-IO kills the system.
- A widely by the plugins used binary is logtail and should be installed.
1 aptitude install logtail
- When plugins are disabled on the munin-node, graphing gets disabled auto-magically on the Munin-Server.
- Plugins often don't work out of the box, but can be debugged easily.
- The logfile of the munin-node helps: /var/log/munin/munin-node.log
Munin Plugin State Directory
Make sure the contained directories have the correct Unix-filesystem permissions.