How to Install VNC on Linux(CentOS ) Server ?

How to Install VNC on Linux(CentOS ) Server ?

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check if the VNC server is already installed or not

rpm -qa vnc-server

If you get an output as “package vnc-server is not installed” you can begin with the installation.
install VNC server with the following command

yum install vnc-server

Now check if VNC client is installed on the server use the command

rpm -qa vnc

Install it if needed by using the following command

yum install vnc

Now lets install the Gnome Desktop and requirements by executing the command

IF you are using CentOS 5 ::-

yum groupinstall “GNOME Desktop Environment”

IF you are using CentOS 6 ::-

yum groupinstall Desktop

On CentOS 5 you may get error regarding “libgaim.so.0? if so, you may use below steps to overcome by using

yum –exclude=nautilus-sendto groupinstall “GNOME Desktop Environment”

Now lets create user to access the server

useradd test

To allow its access by configuring the configuration file /etc/sysconfig/vncservers with the following parameters

VNCSERVERS=”5:test”
VNCSERVERARGS[1]=”-geometry 800×600?

Now lets set password for the user

su – test

vncpasswd

If you wish to use root user to be accessed using VNC use following setting in /etc/sysconfig/vncservers

VNCSERVERS=”5:root”
VNCSERVERARGS[1]=”-geometry 800×600?

As root execute

vncpasswd

 

hostripples-vnc

Check  the port on which the service is functioning with the command

ps -faux  | grep vnc

 

hostripples-vnc1

To start VNC server issue command

vncserver -kill :5

To start VNC server issue command

vncserver :5

Now you can access the server graphically as illustrated below

 

hostripples-vnc2

You will get a prompt as

 

hostripples-vnc3

On connecting you will get message as below

 

hostripples-vnc4

hostripples-vnc5

 

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