Stop browsing the text log file. Journalctl maintains an actual database which makes it easy to filter on date or time or source or … I became a journalctl convert a few years ago and have never looked back. Unsure how to use it? https://www.thegeekdiary.com/beginners-guide-to-journalctl-how-to-use-journalctl-to-view-and-manipulate-systemd-logs/ is as pretty decent intro.