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VNC Setup and config on Centos

configure it:
Edit /etc/sysconfig/vncservers and add this 2 lines:
VNCSERVERS="1:root"
VNCSERVERARGS[1]="-geometry 800x600"
From a cmd prompt enter "vncserver" it will ask to seupt a password.
Type "killall Xvnc" to stop the server for now.

This creates the directory .vnc in the /root folder.
The default desktop for the VNC Server is "TWM", though most people are used to KDE or Gnome instead. Here is how to change it:
Gnome is usually the default X installed on Centos.

1. Edit ~/.vnc/xstartup
2. For KDE, replace "twm &" with "startkde &"
3. For Gnome, replace "twm &" with "exec gnome-session &"
The line should look like this:
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" & exec gnome-session &
4. Kill any existing VNC servers with "vncserver -kill :xxx" where xxx is the display number.
5. Start a new server.

 

Starting it:
"service vncserver start" or
just "vncserver"
Here is how to start it. just open a terminal window and type "vncserver"
it will start an instance on port 5901. to shut it down you can do
"killall Xvnc"
You may also start it automatically on startup by setting:
"chkconfig vncserver on"

You need to connect to ipadd:1

if it does not connect you may have to add a line to the firewall (/etc/sysconfig/iptables) and restart it.
-A INPUT -m state --state NEW -m tcp -p tcp --dport 5901 -j ACCEPT

NOTE: if the console is logged in you will get a bunch of errors of applets not able to start.
DO NOT DELETE the ICONS when it ask you if you want to.



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