How to configure the VNC server in Linux and Centos



How to configure the VNC server in Linux and Centos?

We can configure the VNC server and can be automatically started when the system boots or restart.
Before this service we will have to work with some commands and script needs to be done.
Firstly, need to edit the  /etc/sysconfig/vncservers file to include the users in this file you want to run VNC servers . Append a line to that file as follows:

Step 1 :-
 VNCSERVERS="N:user"

Where N is the number of users want to use the VNC server  sessions to run on where the user is the username you want the server to run as. Here below are the example for the same

VNCSERVERS="N:user1 Y:user2"
Example :- VNCSERVERS="1:root 2:root"

Step 2 :-
$ vncpasswd
   Password:
   Verify:
If you want to have the full Linux environment, create  ~username/.vnc/xstartup and include the following lines:
Step 3 :-
#!/bin/bash
unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc

Lastly, ensure that the resulting file has the execute bit set:
Step 4 :-
# chmod 755 ~username/.vnc/xstartup

In order to start the vncserver service immediately, run the following command:

Step 5 :-
# service vncserver start
In order for the vncserver service to start during the boot sequence, run the following
command:
Step 6 :-
# chkconfig vncserver on
# chkconfig --list vncserver
vncserver 0:off 1:off 2:on 3:on 4:on 5:on 6:off

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