Configuring VNC Server

Install the vnc server package in the server (192.168.56.2)

# yum install vnc-server

Open the configuration file and enter the following

# vi /etc/sysconfig/vncservers
  VNCSERVERS="1:root"
  
 :wq

The Xdisplay session will run as root.
For security just put a password.

# vncpasswd 

From the client machine test the connection using the following

# vncviewer 192.168.56.2:1