Setting UP VNC server on a CentOs or Redhat server

To set up VNC properly, so that you have access to the local default X console of your server as if you are sitting in front of the physical server. follow these steps. On the server, type vncpasswd as root to set a VNC password. You will use this password when connecting with vncviewer Edit the file /etc/X11/xorg.conf In the stanza called Screen, add this line: Option "passwordFile" "/root/.vnc/passwd" then add in the following lines at the end of the file: Section "Module" Load "glx" Load "dbe" Load "extmod" Load "freetype" Load "type1" Load "dri" Load "vnc" EndSection save the file Allow the ports in the iptables Firewall by typing the following: system-config-securitylevel In the "Other ports", add the following range. 5900-5904 Save and close the tool then restart the firewall by typing the following: service iptables restart or /etc/init.d/iptables restart type chkconfig vncserver on to have vncserver automatically start when the server next boots up. Then finally RESTART the server.