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Sparsh Gupta
Asked: 2011-02-28 23:23:36 +0800 CST

Stop Munin messages from /var/log/syslog

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I am using munin on a system which is adding a log entry in syslog everytime the munin-node cron job executes. It is not an issue but it sometimes makes other errors spotting difficult. There are entries like

Feb 28 07:05:01 li235-57 CRON[2634]: (root) CMD (if [ -x /etc/munin/plugins/apt_all ]; then /etc/munin/plugins/apt_all update 7200 12 >/dev/null; elif [ -x /etc/munin/plugins/apt ]; then /etc/munin/plugins/apt update 7200 12 >/dev/null; fi)

every 5 minutes and I was wondering how can I stop the messages going into syslog. For munin specific errors I anyways have to keep an eye on /var/log/munin/*

Thanks Sparsh

logging munin syslog

4 Answers

  1. Best Answer

    Depends on syslog. If use rsyslog(Ubuntu/Debian), you can edit /etc/rsyslog.d/50-default.conf:

    #
# First some standard log files.  Log by facility.
#
:msg,contains,"/etc/munin/plugins/apt_all update 7200" ~
auth,authpriv.*                 /var/log/auth.log

    It's a cron syslog message(not Munin).

    • 4

  2. If you do not use apt_all munin plugin you can just comment out this cron job in 

    /etc/cron.d/munin-node
    • 2

  3. This isn't a munin message, it's a cron message. It's possible to stop all cron messages from going into /var/log/syslog, and/or to send them somewhere else, but that's all. Would you like to do that?

    • 1

  4. To add to the answer above (I cannot edit or comment): for newer Munin versions the information provided by syslog is different:

    CRON[9413]: (root) CMD (if [ -x /etc/munin/plugins/apt_all ]; then munin-run apt_all update 7200 12 >/dev/null; elif [ -x /etc/munin/plugins/apt ]; then munin-run apt update 7200 12 >/dev/null; fi)
CRON[9414]: (munin) CMD (if [ -x /usr/bin/munin-cron ]; then /usr/bin/munin-cron; fi)

    In /etc/rsyslog.d/50-default.conf, underneath # First some standard log files. Log by facility., add following two lines:

    :msg, contains, "then /usr/bin/munin-cron" ~
:msg, contains, "then munin-run apt_all update 7200 12" ~

    Then restart the rsyslog process: 

    service rsyslog restart

    Using Munin 2.0.17-2ubuntu1 on Ubuntu Saucy.

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