dnf-clean
remove cached DNF repository data
TLDR
Remove cache files
$ dnf clean dbcache
Mark metadata as expired$ dnf clean expire-cache
Remove repository metadata$ dnf clean metadata
Remove cached packages$ dnf clean packages
Clean all DNF cache$ dnf clean all
SYNOPSIS
dnf clean type
DESCRIPTION
dnf clean removes temporary files cached by DNF for repositories. This includes metadata, packages, and database files.Useful for freeing disk space or forcing DNF to refresh metadata from repositories.
PARAMETERS
dbcache
Remove database cache filesexpire-cache
Mark metadata as expiredmetadata
Remove repository metadatapackages
Remove cached packagesall
Clean everything (all of the above)
CAVEATS
Cleaning cache means DNF must re-download metadata on next use. Cached packages are in /var/cache/dnf. "all" is the most thorough option.