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computers / comp.os.linux.misc / Re: Multi-Monitor-Problem

SubjectAuthor
* Multi-Monitor-ProblemJörg Barres
+* Re: Multi-Monitor-Problemroot
|`- Re: Multi-Monitor-ProblemThe Natural Philosopher
`- Re: Multi-Monitor-ProblemJohn-Paul Stewart

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Multi-Monitor-Problem

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From: new...@traicon.net (Jörg Barres)
Newsgroups: comp.os.linux.misc
Subject: Multi-Monitor-Problem
Date: Wed, 17 Aug 2022 16:02:26 +0200
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 by: Jörg Barres - Wed, 17 Aug 2022 14:02 UTC

Hi folks,

is the following possible?

Linux Mint with one 17"-Monitor (1280x1024) and one beamer (1920x1080).

I want to mirror the desktop but not loose the 1920-resolution on the
beamer. Instead I want a downscaling for the 17".

Is there a tool?

any hints are welcome,
thanks,
Jörg

Re: Multi-Monitor-Problem

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From: NoEM...@home.org (root)
Newsgroups: comp.os.linux.misc
Subject: Re: Multi-Monitor-Problem
Date: Wed, 17 Aug 2022 14:41:35 -0000 (UTC)
Organization: Linux Advocacy
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 by: root - Wed, 17 Aug 2022 14:41 UTC

J??rg Barres <news@traicon.net> wrote:
> Hi folks,
>
> is the following possible?
>
> Linux Mint with one 17"-Monitor (1280x1024) and one beamer (1920x1080).
>
> I want to mirror the desktop but not loose the 1920-resolution on the
> beamer. Instead I want a downscaling for the 17".
>
> Is there a tool?
>
> any hints are welcome,
> thanks,
> J??rg

Some NVidia cards allow two different monitor resolutions.
The GeForce GT 1030, for example, supports independent
vga and hdmi resolutions.

Re: Multi-Monitor-Problem

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From: tnp...@invalid.invalid (The Natural Philosopher)
Newsgroups: comp.os.linux.misc
Subject: Re: Multi-Monitor-Problem
Date: Wed, 17 Aug 2022 16:45:08 +0100
Organization: A little, after lunch
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 by: The Natural Philosop - Wed, 17 Aug 2022 15:45 UTC

On 17/08/2022 15:41, root wrote:
> J??rg Barres <news@traicon.net> wrote:
>> Hi folks,
>>
>> is the following possible?
>>
>> Linux Mint with one 17"-Monitor (1280x1024) and one beamer (1920x1080).
>>
>> I want to mirror the desktop but not loose the 1920-resolution on the
>> beamer. Instead I want a downscaling for the 17".
>>
>> Is there a tool?
>>
>> any hints are welcome,
>> thanks,
>> J??rg
>
> Some NVidia cards allow two different monitor resolutions.
> The GeForce GT 1030, for example, supports independent
> vga and hdmi resolutions.

Yes, I had reasonable results with Nvidia with two monitors , IIRC one
needed to be VGA.

--
“Those who can make you believe absurdities, can make you commit
atrocities.”

― Voltaire, Questions sur les Miracles à M. Claparede, Professeur de
Théologie à Genève, par un Proposant: Ou Extrait de Diverses Lettres de
M. de Voltaire

Re: Multi-Monitor-Problem

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From: jpstew...@personalprojects.net (John-Paul Stewart)
Newsgroups: comp.os.linux.misc
Subject: Re: Multi-Monitor-Problem
Date: Thu, 18 Aug 2022 11:46:16 -0400
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 by: John-Paul Stewart - Thu, 18 Aug 2022 15:46 UTC

On 2022-08-17 10:02, Jörg Barres wrote:
> Hi folks,
>
> is the following possible?
>
> Linux Mint with one 17"-Monitor (1280x1024) and one beamer (1920x1080).
>
> I want to mirror the desktop but not loose the 1920-resolution on the
> beamer. Instead I want a downscaling for the 17".
>
> Is there a tool?

Yes. The xrandr command should do what you want with the --same-as
option (to make the second output a duplicate of the first) and either
the --scale or --scale-from option. I'd start by trying:

xrandr --output <OUT-1> --size 1920x1080 \
--output <OUT-2> --size 1280x1024 \
--scale-from 1920x1080 --same-as <OUT-1>

where <OUT-1> and <OUT-2> are your graphics card's output names for the
beamer and the monitor, respectively. You'll probably have to query
xrandr for the actual names that your system uses.

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