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tldr/pages/linux/journalctl.md
rprieto f00bf64426 Move pages back into a "pages" folder
2014-03-04 23:28:29 +11:00

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journalctl

Query the systemd journal

  • Show all messages from this boot

journalctl -b

  • Show all messages from last boot

journalctl -b -1

  • Follow new messages (like tail -f for traditional syslog)

journalctl -f

  • Show all messages by a specific unit

journalctl -u {{unit}}

  • Show all messages by a specific process

journalctl _PID={{pid}}

  • Show all messages by a specific executable

journalctl {{/path/to/executable}}