# let's check for journal disk space$ journalctl --disk-usage
Archived and active journals take up 11.0G in the file system.
# time to clean up$ journalctl --vacuum-time=1d
Deleted archived journal ...
Deleted archived journal ...
Deleted archived journal ...
Vacuuming done, freed 10.4G of archived journals from ... .
$ du -csh /var/cache/PackageKit/* | sort -h
5G /var/cache/PackageKit/25
3.1G /var/cache/PackageKit/26
1.2G /var/cache/PackageKit/27
9.3G total
$ pkcon refresh force -c-1
Refreshing cache [=========================]
Loading cache [=========================]
Downloading repository information [=========================]
...
...
...
Finished [=========================]# I don't need cache from older releases...$ rm -rf /var/cache/PackageKit/25 /var/cache/PackageKit/26
$ du -csh /var/cache/PackageKit/* | sort -h
192M /var/cache/PackageKit/27
192M total