http://estranghera.com/2013/06/installing-a-remote-desktop-on-centos-vps/

wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el5.rf.i386.rpm rpm -Uhv rpmforge-release-0.5.3-1.el5.rf.i386.rpm

yum -y update

yum -y groupinstall "X Window System" "GNOME Desktop Environment yum install -y freenx