Updating the system with YUM
In this recipe we will investigate the role of the Yum Package Manager with regard to running a system update.
Every once in a while you may become aware of an update or may simply wish to discover if an update exists. Applying patches and updates is a regular task for all server administrators and in this recipe you will learn how to achieve this with the help of Yum.
Getting ready
To complete this recipe you will require a working installation of the CentOS 6 operating system with root privileges, a console-based text editor of your choice, and a connection to the Internet in order to facilitate the download of additional packages.
How to do it...
Before we begin this recipe, you will be required to access the server with full root privileges in order that we can update the system. You can run this recipe as often as required but it should be done frequently, based on a schedule of your own choosing in the full knowledge that on occasion, some updates may require...
