1. View the list of startups
[root@centos ~]# vncserver -list TigerVNC server sessions: X DISPLAY # PROCESS ID
2. Set a password
[root@centos ~]# vncpasswd
3. Start the desktop
[root@centos ~]# vncserver :1
4. Close the desktop
[root@jinglun ~]# vncserver -kill :1