CentOS7 /var/log/messages Starting Session x of user root

Logs flooded with systemd messages: Created slice & Starting Session


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Environment

  • Red Hat Enterprise Linux 7

Issue

  • On my RHEL7 newely installed system I am seeing the following in /var/log/messages all the time

    
Jul 24 08:50:01 example.com systemd: Created slice user-0.slice.
Jul 24 08:50:01 example.com systemd: Starting Session 150 of user root.
Jul 24 08:50:01 example.com systemd: Started Session 150 of user root.
Jul 24 09:00:01 example.com systemd: Created slice user-0.slice.
Jul 24 09:00:02 example.com systemd: Starting Session 151 of user root.
Jul 24 09:00:02 example.com systemd: Started Session 151 of user root.

Resolution

  • These messages are normal and expected -- they will be seen any time a user logs in

  • To suppress these log entries in /var/log/messages, create a discard filter with rsyslog, e.g., run the following command:

    
echo 'if $programname == "systemd" and ($msg contains "Starting Session" or $msg contains "Started Session" or $msg contains "Created slice" or $msg contains "Starting user-") then stop' >/etc/rsyslog.d/ignore-systemd-session-slice.conf

    Then restart the rsyslog service

    
systemctl restart rsyslog
posted @ 2016-05-15 20:52  李庆喜  阅读(1639)  评论(0)  编辑  收藏  举报