Initial setup of centos 5

Update OS:

yum -y update

Enable the DAG repository:

rpm –import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.3.6-1.el5.rf.i...
rpm -i rpmforge-release-0.3.6-1.el5.rf.i386.rpm
yum update