Linux Yum commands

Display available updates for installed software

$ yum list updates

Apply updates

$ yum update 

List installed packages

$ yum list installed <package-name>
# e.g.
$ yum list installed httpd

OR

$ rpm -qa | grep httpd*

Check for and update a package

$ yum update <package-name>

Search a package or list all

$ yum list <package-name/regex/wildcard>
$ yum list all

# list group packages
$ yum grouplist

Install a package

$ yum install <package-name>

Remove/Uninstall a package

$ yum remove <package-name>

Install/Update group packages

$ yum groupinstall "Development Tools"
$ yum groupupdate "Development Tools"

List packages that are not official RHN

$ yum list extras

Find out which package is a file from

$ yum whatprovides <filename>