Diagnostics: Difference between revisions
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Boot entry can be an offset, e.g. -1 will give you 1 boot earlier | Boot entry can be an offset, e.g. -1 will give you 1 boot earlier | ||
journalctl -b -1 | journalctl -b -1 | ||
Same command, but limited to only showing kernel logs | Same command, but limited to only showing kernel logs, add -k | ||
journalctl -k -b -1 | journalctl -k -b -1 | ||
===Show logs of specific systemd service=== | ===Show logs of specific systemd service=== | ||
journalctl -u containerd.service | journalctl -u containerd.service | ||
Revision as of 13:16, 18 August 2026
List all system power on/off and what caused them
last -x | grep -E 'shutdown|reboot'
Show system logs
From current boot
journalctl -b
From a specific boot
journalctl -b <entry>
Boot entry can be an offset, e.g. -1 will give you 1 boot earlier
journalctl -b -1
Same command, but limited to only showing kernel logs, add -k
journalctl -k -b -1
Show logs of specific systemd service
journalctl -u containerd.service
