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RE: How do I get 2 displays with 2 different window managers?



Hi,

Thanks for your reply. That sounds good to me. I would be happy with just getting TWM on one "screen" and just having the X server running on the other screen. I can get my 2 screens up when I do:

# xinit -- :0

I get an X server running on the first screen with a default xterm window. I get an X server running on the second screen with NO windows. From the first screen I can run "setenv DISPLAY :0.0" and "setenv DISPLAY :0.1" and popup xterms on the respective displays. This is good.

The problem is that when I type "twm -display :0.0", twm starts up on BOTH displays! Can someone help me just start it on ONE display? Then I can pop up xterms on the second display and they will not have an window manager which is what I want.

Thanks,
Todd

-----Original Message-----
From: xfree86-admin@xxxxxxxxxxx [mailto:xfree86-admin@xxxxxxxxxxx]On
Behalf Of Mark Vojkovich
Sent: Friday, May 19, 2006 1:26 PM
To: xfree86@xxxxxxxxxxx
Subject: Re:  How do I get 2 displays with 2 different window
managers?


   You cannot run two displays without having two X-servers, and
two X-servers cannot display simulateously because each needs to
own the VT (they will end up on separate VTs).  You want one server
with two screens.

   You should probably ask the Gnome or KDE folks.  TWM observes
the -display commandline option and does what you want.  The "fancy"
window managers often try to be too clever and start up on all
available screens.

			Mark.

On Thu, 18 May 2006, Harrington, Todd wrote:

> Hi,
>
> My goal is to be able to create two "displays" not "screens" running 2 different window managers (one will actually be just an X-server). I want to run Gnome on one display (keyboard and mouse) and just an X-Server (no keyboard and mouse) with no window manager in the other.
>
> I have tried both a single Matrox G450 Dual-Headed graphics card and two single ATI Rage Pro 8MB Cards. I will be happy to get either configuration working. I have the same results so far with both types of cards.
>
> I am running RedHat Enterprise ES 4. I configured my xorg.conf file for 2 devices, 2 screens, and 2 monitors and then I created a ServerLayout section. When I type "startx" Gnome starts on both displays and my keyboard and mouse control is one display. I was happy to see this.
> I open an xterm and do:
>
> # setenv DISPLAY :0:0
> # xterm & (an xterm pops up on one display)
> # setenv DISPLAY :0:1
> # xterm & (an xterm pops up on the OTHER display)
>
> So, as I understand it, the number before the "." is the display number and the number after the "." is the screen number. Apparently I am running two screens and not two displays. This is why I think this might be a problem......
>
> Now I have to figure out how to start Gnome or KDE in one window and have it NOT come up in the other window (I just want an X server with no window manager in that 2nd window). I looked in XClients and saw gnome-session getting called. I had seen some documentation on the web for gnome-session that said there was a "-display" parameter that I could pass the display number. I did not see this in the man page for "gnome-session" though. Is there a display number parameter so that I can just start gnome-session one ONE display? What about for "startkde"? If I can specify a display number for gnome-session or startkde, I would think I have to make it so the displays are ":0:0" and ":1:0", not 0:1 and 0:2, is that correct?
>
> Thanks,
> Todd
>
>
>
> Todd Harrington
> Senior Systems Engineer
> Suntron Corporation
> Phone: (978) 747-2048
> Fax:     (978) 747-2010
> todd.harrington@xxxxxxxxxxxxxxx
>
>
> _______________________________________________
> XFree86 mailing list
> XFree86@xxxxxxxxxxx
> http://XFree86.Org/mailman/listinfo/xfree86
>
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