Yes, with a cable connect it is possible, of course. But i dont like it to be restricted in my movement by wired to a hdmi-cable. :-) Am 20.01.2016 um 15:07 schrieb Jonathan Billings: > On Tue, Jan 19, 2016 at 10:49:31PM +0100, Joey wrote: >> i try xephyr/xnest, but i dont recognize how i can use a nested display like >> a second screen. > I guess I still don't understand why you need a second, virtual > screen. > > Every projector I've ever used appears as a second screen on my linux > desktop, and I have the choice to either mirror my display or expand > my desktop across both. If you choose the second option, you can put > your projector content on the projector, and keep your laptop's > display for notes. > > Does your projector not do that? I don't understand the situation > where you need to use a second computer and ffmpeg streaming. > >