Saturday, April 30, 2016

VNC CONFIGURATION

VNC CONFIGURATION

1) Login as root on Redhat Linux Server

2) First we need to check the VNC packages installation.

rpm –qa | grep vnc

$ rpm –qa | grep vnc

Vnc-server-4.0-8.1

Vnc-4.0-8.1

The vnc package is installed as shown above. If not then install vnc package.

3) To start the VNC on system boot time,

# chkconfig –level 345 vncserver on

4) Uncomment the following lines and add all the VNC sessions required to start at the startup time in the /etc/sysconfig/vncservers file.

VNCSERVERS=”1:root 2:oracle”

VNCSERVERARGS[1]=”-geometry 800×600”

# vi /etc/sysconfig/vncservers

5) Login as the user for whom you want to configure VNC or use this command to login.

# su – oracle

6) Run the vncserver command to configure the VNC-based X session.’

Note: The vncserver :1 will create the $HOME/.vnc> directory for the user and will ask for a VNC password. This password will be requested by the VNC viewer program when connecting from a remote machine.

7) If the user wants to change the VNC password, in future the following command will be used:

$ vncpasswd

Password:

Verify:

$ HOME

Cd .vnc

Vi xstartup

8) Add the gnome-session & as shown below,

Xterm –geometry 80×24+10+10 –ls –title “$VNCDESKTOP Desktop” & gnome-session &

9) Save the file

Note: If you want to use KDE, add the following line instead of gnome-session &, startkde &

10) After setting the desktop, the existing VNC-based X session must be killed through this command.

$ vncserver –kill :1

11) Restart the VNC session for the effect of the changes. Enter the following commands to restart the newly configured VNC session:

Vncserver :1

Client Side Configuration

Download vnc viewer for windows.

Run the exe & enter Server address,

Keep the encryption as Always off/ power off

Enter username and password.

12) Cd $HOME/.vnc

13) Vi xstartup

14) Uncomment the unset and exec lines and will add xhost +

15) Save the file.

16) Existing VNC-based X session must be killed.

$ vncserver –kill :1

17) Restart the VNC session for the effect of the changes.

$ vncserver :1

18) Linux desktop will be displayed on your windows XP client

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