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How to see logging for a specific unit or service?
Use the journalctl command and filter the output by selecting a specific systemd unit.
journalctl --unit=UNITThe journalctl command can show the events from its journal by --unit= followed by the service or its unit name. This way events will be filtered, making it much easier to troubleshoot a particular service.
journalctl -u nginx.service
This article uses the journalctl command to achieve its tasks. For this popular tool there is a cheat sheet available!
» Mastering the tool: journalctl
journalctl
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