System Management
journalctl
Displays and filters Systemd journal logs.
CentOS
Verified: 2026-02-09
Syntax
$journalctl [OPTIONEN]
Optionen
-u SERVICE
Logs eines Dienstes
-xe
Erweiterte Fehlerausgabe
--since
Zeitbasierte Filterung
Examples
$journalctl -xe
$journalctl -u sshd
$journalctl --since '1 hour ago'
Typical use cases
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Standard usage
journalctl --help
Note
Primary tool for log analysis on systemd-based CentOS systems.
Export