Revision as of 11:00, 10 March 2021 by Tony (talk | contribs)



Show installed packages

yum list installed

Show installed packages from epel

yum list installed | grep @epel

What provides a certain file

yum whatprovides


Which package does a file belong to?

rpm -qf /bin/bash

Which packages depend on a package

yum deplist <packagename>

Installed package x.y.z (from anaconda) not available

Package not found on mirror

Check updates

yum check-update -q

Check security updates

HAHA GOTCHA! no security metadata on CentOS! There is for EPEL though. see https://access.redhat.com/solutions/10021 On CentOS 6 first install

yum install yum-plugin-security
yum list-security -q --errorlevel=0

Which repository is a package from?

repoquery <packagename>


Clear cache

yum clean all


yum clean all --enablerepo='*'


List files from package

dnf repoquery -l somepackage

Updateinfo file is not valid XML

remove yum-cron

Warning: RPMDB altered outside of yum.

Happens when you install something using rpm, what usually works is:

yum history sync


Not using downloaded remi/repomd.xml because it is older than what we have


yum clean all


Disable repository

yum-config-manager --disable reponame