The following simple guide help you to setup the VNC server on Ubuntu machines, VNC helps to share the desktop with the other machines which has a client installed. VNC server and client are not installed by default, you need to setup the vnc server manually. In windows, VNC shares the console desktop with other machine; but in Linux, it shares the vnc desktop sessions instead of console desktop.
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You need to setup the password to access the desktop, So enter the following command to setup password of your wish.
Start VNC server.
You will get a information about the desktop session. Desktop session is 1 as per below information, if you need another session issue the vncserver command on terminal; you will get a session 2 and increments every time when issuing the same command again.
Starting Applcation Specifed specified in in /home/itzgeek/.vnc/xstartup
Log file is /root/.vnc/LINUX.ITZGEEK.COM:1.log
Assuming that you have created only one desktop session. Default listening port is 5900, If you have created first session it will be 5901 and so on.