strip-log.md

strip log

• systemd journal
• rsyslog
  • how to
  • strip messages by program name
  • strip messages by message content
  • reference

systemd journal

given a service name, edit /etc/systemd/system/unit-name.service

[Service]
LogFilterPatterns=~pattern-to-exclude

this will exclude messages containing "pattern-to-exclude" related to the unit-name service.

after editing .service file issue systemctl daemon-reload

rsyslog

how to

• edit /etc/rsyslog.d/50-default.conf inserting commands ( see below )
• service rsyslog restart

strip messages by program name

Example: strip from log all messages that cames from "gnome-shell" program

:programname, contains, "gnome-shell" ~

strip messages by message content

:msg, contains, "somemessage" ~

reference

• rsyslog.conf