How to free up space if your Linux journal (combined log file) is taking up a lot of space
On some systems /var/log might be taking up a lot of space. Sometimes it’s the Journal. Here are some commands to assist when working with the journal:
root@cpl:/var/log# journalctl --disk-usage Archived and active journals take up 3.1G in the file system.
Maybe the problem is elsewhere, in /var/log, so use this:
root@cpl:/# cd /var/log root@cpl:/var/log# du -h --max-depth=1
You can vacuum the journal by size or by time. To do it by size, do this:
sudo journalctl --vacuum-size=500M
To vacuum it by time, do this:
journalctl --vacuum-time=1d
Here is an arbitrary command to see what’s happening in the journal.Yep, you can follow it:
journalctl -f