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systemd (journalctl) Cheatsheet

11/3/2021, 11:20:48 AM

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The following is a list of useful commands for managing your systemd logs.

Check disk space used by systemd logging

journalctl --disk-usage

Drop old logs

... older than x days

journalctl --vacuum-time=2d

... to target size

journalctl --vacuum-size=100M