Yum 2nd part: Managing system updates
After covering the basics of Yum in my first article, let’s move on to the second part. In this article I’d like to cover some things about keeping your system up to date with Yum on a CentOS 4 system. But these information will also apply with little changes to any other system using Yum like Fedora Core for example.
Let’s begin with a scheduled update of your system: To activate an automatic nightly update, just enter these lines as root and Yum will now check every night for new software versions in your configured Yum repositories and install them.