Yum clean all options

The following are the ways which you can invoke yum in clean mode. Note
that "all files" in the commands below means "all files in currently
enabled repositories". If you want to also clean any (temporarily)
disabled repositories you need to use --enablerepo='*' option.

yum clean expire-cache
Eliminate the local data saying when the metadata and mir‐
rorlists were downloaded for each repo. This means yum will
revalidate the cache for each repo. next time it is used. How‐
ever if the cache is still valid, nothing significant was
deleted.

yum clean packages
Eliminate any cached packages from the system. Note that pack‐
ages are not automatically deleted after they are downloaded.

yum clean headers
Eliminate all of the header files, which old versions of yum
used for dependency resolution.

yum clean metadata
Eliminate all of the files which yum uses to determine the
remote availability of packages. Using this option will force
yum to download all the metadata the next time it is run.

yum clean dbcache
Eliminate the sqlite cache used for faster access to metadata.
Using this option will force yum to download the sqlite metadata
the next time it is run, or recreate the sqlite metadata if
using an older repo.

yum clean rpmdb
Eliminate any cached data from the local rpmdb.

yum clean plugins
Tell any enabled plugins to eliminate their cached data.







                                
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