Pretty JSON output

bash

journalctl -o json-pretty

Explanation

Useful for quick manual inspection of fields.

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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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Emit journal entries in JSON format.

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Display logs in short ISO format.

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Inspect space used by journal files.

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Delete archived journals until under size limit.

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Delete archived logs older than a time window.

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Check journal file integrity.

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