mirror of https://github.com/CrimsonTome/tldr.git
28 lines
451 B
Markdown
28 lines
451 B
Markdown
# journalctl
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> Query the systemd journal
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- Show all messages from this boot
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`journalctl -b`
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- Show all messages from last boot
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`journalctl -b -1`
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- Follow new messages (like `tail -f` for traditional syslog)
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`journalctl -f`
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- Show all messages by a specific unit
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`journalctl -u {{unit}}`
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- Show all messages by a specific process
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`journalctl _PID={{pid}}`
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- Show all messages by a specific executable
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`journalctl {{/path/to/executable}}`
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