Yum

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FAQ

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

??

 

what files depend on package??=

repoquery --requires --resolve <package>

Show dependencies for 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

or

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

Try

yum clean all

 

Disable repository

yum-config-manager --disable reponame