1. Install Gnome Desktop, VNC Server and Xterm:
   1. yum groupinstall gnome-desktop
   2. yum install vnc-server xterm
2. Create a normal user:
   1. useradd vncuser
   2. passwd vncuser
3. Login as vncuser and create VNC password:
   1. vncpasswd
   2. exit
4. Login as root again
5. Create xstartup script and edit run Gnome desktop:
   1. vi /home/vncuser/.vnc/xstartup
   2. Edit the contents of the file to look like this:
      #!/bin/sh
      
      ( while true; do xterm; done ) &
      
      # Uncomment the following two lines for normal desktop:
      unset SESSION_MANAGER
      exec /etc/X11/xinit/xinitrc
      
      [ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
      [ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
      xsetroot -solid grey
      vncconfig -iconic &
      xterm -geometry 1024x768 -ls -name "$VNCDESKTOP Desktop" &
      gnome-session &
6. Edit the file "/etc/sysconfig/vncservers" and add this to the last two lines (change te resolution to what you want):
   VNCSERVERS="1:vncuser"
   VNCSERVERARGS[1]="-geometry 640×480"
7. Start VNC server: service vncserver start
8. Connect with a VNC client, using an address like: 1.2.3.4:1 or myvps.mydomain.com:1