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Where the previous log? I can not find the location in example

Official documents indicte that the location of the porevious log file, but I can not find yesterday log , i can only find the day before yesterday log. Should I use some commands to generate yesterday's log?

maybe you can adopt a filter by time for getting a proper log. I think this article - time windows section - will be helpful to you : https://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to-view-and-manipulate-systemd-logs