http://snippets.bentasker.i2p/posts/bash/clearing-out-old-journald-entries.html
However, recently I needed to troubleshoot a cron that appeared not to be running, so went looking for log entries. Turns out Debian 8's default behaviour was to send cron loglines to journald only (i.e. no passthrough to rsyslog ). To make matters worse, there's no journal rotation set up by default, so the loglines go back _months_ and JournalD is hysterically bad at actually getting through them in a reasonable time So, before fixing the lack of rotation (by setting SystemMaxUse in...