1. Installing Desktop Environtment :
# yum -y install gnome*
# yum -y groupinstall “X Window System”
2. Installing VNC Server :
# yum -y install vnc vnc-server firefox x11-xorg
3. Setting up the VNC Server :
# vncpasswd
enter your desired password
4. Adding configuration to the xstartup :
# nano ~/.vnc/xstartup
add this line at the bottom :gnome-session &
5. Start the VNC Server and connect to it :
# vncserver
Connect to your VPS using your favourite VNC Viewer and the IP, for example : 192.168.0.1:1(replace 192.168.0.1 with your vps IP address)