In Linux How do extend a display virtually?

[Jamey Sharp]

On Mon, Nov 15, 2010 at 3:31 AM, Prudhvi Raj <m.prudhvi at gmail.com> wrote:
> My intention is, extend a monitor which is connected in network (that second
> PC is either Windows or Linux). In second PC have a small application,
> receive the data (RGB/JPEG) and show in window. If I implement like VNC for
> this, second person have possible to see total desktop of first (actual) PC
> but I don’t want that, if able to do like extend monitor then I can show
> some windows which I want.

You might be able to use Paulo Zanoni's nested driver for that:

http://gitorious.org/xf86-drivers-nested

Otherwise I think Xdmx is the only implementation available today, and
it's a pain to use.

xorg-devel is not the right list for this sort of question though. Try xorg:

http://lists.freedesktop.org/mailman/listinfo/xorg

Jamey