> Hi *,
> on unix/linux,
> is there a way to hook a Xvnc server to an existing X 
> application. What I
> mean is: if an X application "xapp_A" is running, I would 
> like to start a
> Xvnc server. Have Xvnc talk to the application and then 
> connect to it with a
> vncviewer to share "xapp_A" only.

The route with Xvnc would be: Start Xvnc, run xapp_a with display to Xvnc
and run vncviewer everywher xapp_a is needed.

The easy way to configure this is:
- Create a dedicated user for xapp_A (call it xapp_A)
- Login as xapp_A and start vncserver on a dedicated display (say :24).
- check with remote vncviewer if vncserver for xapp_A is running
- stop vncserver
- edit ~/.vnc/xserver: add a line to start xapp_A (like the line "xterm &",
optionally remove this line)
- optionally remove the line to start a windowmanager ("twm &") and other
lines which are not needed.
- start vncserver to the dedicated display.
- OPtionally create something to automatically restart the vncserver once it
is stopped. a (rude) way is  to create a crontab entry to start the
vncserver every hour (or even every 5 minutes).

> 
> I don't mind getting "dirty" and implementing the feature if 
> necessary, but
> I would need some pointers ...

Your request is considdered "dirty". IF an app runs on a display, it should
stay there. If the app is to be taken over, then it should be configured
that way.


> 
> Thanks in advance,
>               --Yacc
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