yum

Package management utility for RHEL, Feodra, and CentOS (for older versions)

Synchronize list of packages and versions available. This should be run first, before running subsequent yum commands.

yum update

Install a new package

yum install {{package}}

Install a new package and assume yes to all questions (also works with update, great for automated updates)

yum -y install {{package}}

Remove a package

yum remove {{package}}

Upgrade installed packages to newest available versions

yum upgrade