Changing Xorg-Configuration on the fly

Aaron Plattner aplattner at
Thu Apr 9 15:54:35 PDT 2009

On Wed, Apr 08, 2009 at 09:17:52AM -0700, Leif Bergerhoff wrote:
> Remi Cardona wrote:
> > Unless you're using the closed nVidia driver, the xrandr tool will do
> > _exactly_ what you're looking for.
> > Take a look at man xrandr, especially the "--pos" option.

I don't think this is true.  The --pos option controls the positioning
of a CRTC within a single framebuffer / X screen.  It sounds like
you're using multiple X screens and want to change their logical
layout.  I don't know of any tool that allows that, and I don't know
if it's even possible.

> I have already read the manpage and xrandr sounds good.
> The nVidia driver doesn't support all the xrandr options, right?
> So I'll have a more detailled look on xrandr once again, but I think I need
> another way to access the xserver.

You might need to extend the Xinerama protocol.

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