In Norse mythology Hugin and Munin are the ravens of the god king Odin. They flew all over Midgard for him, seeing and remembering, and later telling him.
"Munin" means "memory".
Waiting for Munin 2.0
2010-07-23: Waiting for Munin 2.0 - Custom data retention plans enables keeping more data at high precision, and is quite useful when zooming.
2010-07-12: Waiting for Munin 2.0 - A native SSH transport enable easy management of munin monitoring with only one already-used protocol: SSH.
2011-01-20: The second Munin 2.0 alpha has been released. It can be downloaded from our SVN tags/2.0-alpha2 and from https://sourceforge.net/projects/munin/files/munin%20development/2.0-alpha/. The changelog can be found at tags/2.0-alpha2/ChangeLog.
2010-07-17: Munin 2.0 has finally its first alpha relase. It can be downloaded from our SVN (tags/2.0-alpha1) and from Sourceforge. I also hope to resume my Waiting for Munin 2.0 series.
2010-06-02: Munin 1.4.5 has been released. This is a bugfix release. Changelog is here. It can be downloaded from our SVN (tags/1.4.5) and from Sourceforge. Thanks to everyone that contributed to this release.
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Munin the monitoring tool surveys all your computers and remembers what it saw. It presents all the information in graphs through a web interface. Its emphasis is on plug and play capabilities. After completing a installation a high number of monitoring plugins will be playing with no more effort.
Using Munin you can easily monitor the performance of your computers, networks, SANs, applications, weather measurements and whatever comes to mind. It makes it easy to determine "what's different today" when a performance problem crops up. It makes it easy to see how you're doing capacity-wise on any resources.
Munin uses the excellent RRDTool (written by Tobi Oetiker) and the framework is written in Perl, while plugins may be written in any language. Munin has a master/node architecture in which the master connects to all the nodes at regular intervals and asks them for data. It then stores the data in RRD files, and (if needed) updates the graphs. One of the main goals has been ease of creating new plugins (graphs).
This site is a wiki as well as a project management tool. We appreciate any contributions to the documentation. While this is the homepage of the Munin project, we will still make all releases through Sourceforge.
Munin can always need more help. Please see the list of tasks if you're looking for something to do.
We also disabled wiki and ticket modification by anonymous users. If you wish to remain anonymous please log in as "human" with password "IllBeGood" to edit wiki pages or tickets. To create a personal account please click the small "Register" link in the upper right corner.
Internet Relay Chat
If you use IRC, please join #munin on the OFTC network.
All versions are available from Sourceforge
Munin is also available in FreeBSD ports and in repositories for (at least) the following Linux distributions: Debian, Ubuntu, Fedora (Extras), Red Hat, Red Hat Enterprise Linux, Mandriva, and Gentoo.
Munin is written in Perl and plugins are easy to write. "Porting" to or from any Unix platform is quite easy if you have some Perl/shell/sysadmin experience. Currently we have plugins for Linux, FreeBSD, NetBSD, Solaris, AIX - and of course cross-platform plugins.