Utilize the journalctl command tool to efficiently handle systemd journal logs on your system. Clearing unnecessary logs can help reclaim disk space. Here are a couple of methods based on your preferences:
Clear Systemd Log Older Than a Specific Time:
To retain logs from the last two days, execute the following command:
sudo journalctl –vacuum-time=2d
Read: How to analyze Linux systemd logs using journalctl advanced filtering options
Limit Journal Logs by Size:
To restrict journal logs to 500 MB, run the following command:
sudo journalctl –vacuum-size=500M
Before using these options, initiate log rotation:
sudo journalctl –rotate
This practice archives active journal files, generating fresh ones. For more details and additional options, refer to the journalctl man page or explore relevant web articles.
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