# Lists the installed packages
yum list installed
yum search : searches for in packages
# searches for in the packages
# Search for a command or binary inside any package
yum provides */
# Lists all the groups of software you can install with yum
# yum security patch only (add to cron) - requires yum-security plugin
yum --security update >/dev/null 2>$1
# Install kernel-devel specific to your current kernel.
yum install "kernel-devel-uname-r == $(uname -r)"