ti...@piments.com wrote:
> I saw this suggested as a means of securing the link: open the ssh
> connection linking the port (eg. 5900) then configuring vncserver to
> only reply to localhost. Thus preventing attempts to connect to
> vncserver from outside the server machine.
> 
>  ssh -C -X  -L 5900:localhost:5900 remotesys.dyndns.info
> 
> vncviewer localhost:0
> 
> Isn't that legitimate?

Yes, OK, I misunderstood.  But I'd suggest making it work without SSh
first before adding SSh to the equation.  Also, don't use -C.  This
enables compression, which is unnecessary, since the image stream is
already compressed (and will greatly slow things down.)


>>> I have three problems:
>>>
>>> 1/
>>> If I start a vncserver I get communication but a blanc, black desktop
>>> where all I can do is close the tigervnc window.
>>
>> Try completely removing ~/.vnc and start again
> 
> Do you mean starting with no xstartup ?? Rerunning make install ?

> I got two unexpected effects when testing commands form that file
> directly in my ssh console:
> 
>  xsetroot -solid grey
> 
> This command set the background on my local system not the remote where
> it was run. I guess this is due to xforwarding from -X
> 
> vncconfig
> No VNC extension on display localhost:14.0
> 
> So it seems vncconfig is not working in this context.

Those commands are designed to be run on the VNC display, not on any
other display.


>> Display :0?  So you are using x0vncserver to do this?  I don't fully
>> understand your configuration.
> 
> No, Xvnc module setup in /etc/X11/xorg.conf

Xvnc is the VNC X server.  It is designed to establish new "virtual
desktop" sessions apart from the root X server (display :0).  The VNC
module is designed to serve a VNC session off of the root display.  They
are two different technologies.

I was mistaken in thinking you were trying to use Xvnc.


> As above, using the above secure shell login on the remote:
> vncviewer localhost:0
> 
> I realised that the black areas are because the remote hardware has a
> 9/16  screen  but again I'm having trouble setting -geometry and getting
> it respected.

You can't use -geometry if you're connecting to the root display,
because it already has a defined geometry.


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