Let's see what you installed

Google+

To install packages in Linux:
Packages can be installed using yum, or rpm. Each one has it's own internal database that list what is already installed into the system.

To install a package using yum:
#yum install

To install a package using rpm:
#rpm -ivh
#rpm -Uvh

To check what is already installed:

To check what is yum installed:
#yum list | grep


To check what is rpm installed:
#rpm -qa | grep



HTH
--kongkon