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munin-run - Man Page

A program to run Munin plugins from the command line


munin-run [options] <plugin> [ config | autoconf | snmpconf | suggest ]


munin-run is a script to run Munin plugins from the command-line. It's useful when debugging plugins, as they are run in the same conditions as they are under munin-node.


--config <configfile>

Use <file> as configuration file. [/etc/munin/munin-node.conf]

--servicedir <dir>

Use <dir> as plugin dir. [/etc/munin/plugins/]

--sconfdir <dir>

Use <dir> as plugin configuration dir. [/etc/munin/plugin-conf.d/]

--sconffile <file>

Use <file> as plugin configuration. Overrides sconfdir.  [undefined]


Only run plugins owned by root and check permissions.  [disabled]


Do not try to detect and enforce the locally configured hardening flags of the "munin-node" service unit. This detection is skipped, if systemd is not enabled. The hardening flags may cause subtile surprises. For example "ProtectHome=yes" prevents the "df" plugin from determining the state of the "home" partition.  [disabled]


View this help message.


Print debug messages.  Debug messages are sent to STDOUT and are prefixed with "#" (this makes it easier for other parts of munin to use munin-run and still have --debug on).  Only errors go to STDERR.


Plugin debug.  Sets the environment variable MUNIN_DEBUG to 1 so that plugins may enable debugging.  [disabled]


Show version information.

Notes for Systemd Users

The "munin-node" service is usually started by systemd via a "munin-node.service" definition.  Some distributions enable hardening settings in this service file in order to restrict the allowed set of activities for the "munin-node" process. This may cause surprising differences between the result of "munin-run" and the real "munin-node" service.

A popular example of such a surprising restriction is "ProtectHome=yes" combined with the "df" plugin.  The restriction silently prevents the plugin from determining the status of mountpoints below /home.

"munin-run" tries to mimic this behavior of "munin-node" automatically. Thus the execution of "munin-run df" should provide the same output as "echo fetch df | nc localhost munin".

If you want to debug potential issues of systemd restrictions, then you may want to use the parameters "--ignore-systemd-properties" and "--debug".  Permanent overrides of systemd properties can be configured locally via "systemctl edit munin-node". See "man systemd.exec" for the documentation of systemd's properties.




This is munin-run (munin-node) v2.0.76


Audun Ytterdal, Jimmy Olsen, Tore Anderson, Nicolai Langfeldt, Lars Kruse.


2024-06-19 perl v5.40.0 User Contributed Perl Documentation