Step 1: Login as root.

Step 2: switch to normal user

Step 3: switch desktop as your desire like KDE or gnome which will be as "switchdesk kde"

Step 4: vncserver :2 -name proxy -depth 24 -geometry 960x700

Step 5: Prompt for password will come. set the password for your vnc window.

Step 6: Its all folk. thanx for being with us. bye and take care

http://www.google.com/search?hl=en&q=vnc+"geometry:800x600"+"depth:24"+chkconfig+vncserver