Install gnome-session
sudo yum install gnome-sessionInstall Metacity
sudo yum install metacity
Configure VNC
cp ~/.vnc/xstartup ~/.vnc/xstartup.backup
vi ~/.vnc/xstartup
If the file contains the line twm & then remove it
Add the following to the bottom of the file:
gnome-session&
metacity&
Save your changes
Restart vncserver