Last change: 2025-01-06
Learn how to use the journalctl command to query the disk usage of the journal logs and how to clean or trim them by number, size, or age.
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Journalctl articles
Last change: 2025-01-06
Learn how to define the maximum size that the systemd journal daemon may use on Linux systems for storing journals and limit its disk usage.
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Last change: 2025-01-06
Use the journalctl command to show the size of the systemd journal logs. In this article we look how journalctl vacuuming works.
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Last change: 2025-01-06
Linux systems using systemd store kernel events in the journal logs. Show these entries with the '--dmesg' or '-k' option, optionally with a date.
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Last change: 2025-01-06
Linux systems with systemd use journal to store log entries. Learn how to filter these journal entries by specifying a date or time interval.
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Last change: 2025-01-06
Learn how to continuously show new log entries on Linux systems using systemd with the journalctl command. The behavior will be like the 'tail -f' command.
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Last change: 2025-01-06
Linux systems with systemd store log entries in a journal. Limit the number of log entries from the journal by filtering journalctl output by unit.
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Last change: 2025-01-06
Limit the output from journalctl by defining the number of lines you want to see by using the '-n' option, optionally with the service itself.
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Last change: 2025-01-06
Learn how to get every piece of information from systemd journals with the journalctl command. This cheat sheet will help you with the task.
Last change: 2025-01-10
Systemd stores boot information in a journal. This article shows how to find the related boot logs, and the commands to query all relevant information.
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