Ivan Tomica

Fedora and disk space usage

Today I noticed weirdly high disk space usage on my / partition. I have to admit that I don’t monitor those things so often on my home PC since I have plenty of free space but this came really weird to me since classic Linux install regularly takes around 3 to 5 GB of space (depending on how much packages you have installed).

First thing I checked was space usage directory by directory on /:

# du -sm * 2> /dev/null | sort -n
...
16281	var
...

and immediately noticed weirdly high space usage on /var. When I looked more closely it was /var/log and /var/cache/PackageKit/metadata fault. Log directory was problematic because I haven’t rotated logs on that PC since it was installed year or more ago. It went through distro upgrade and some other stuff so I wasn’t too surprised. This was easily solvable by vacuuming logs with:

journalctl --vacuum-time=2weeks

So, let’s get to the PackageKit’s metadata directory. Apparently Gnome software center on Fedora uses it as a backend and automatically downloads packaged and keeps them. My solution to this problem was to just delete all of the rpm’s in that directory (since I don’t need them). For a permanent solution this email thread suggests uncommenting:

KeepCache=false

in /etc/PackageKit/PackageKit.conf

About 
Sysadmin on the everlasting journey of learning. Always in search for an opportunity to prove myself and to learn something new. My addiction is learning and my main goal is to excel in every aspect of Linux/Unix system administration.

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