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How to enable Clone mode in Debian Linux

Posted on 2009-05-18
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Last Modified: 2013-12-06
I have two HP 1755 monitors connected to my t5735 thin client that is Debian Linux based.  I am trying to enable clone mode so that I may display the exact same screen and actions on both monitors.

Does anyone know how to enable it and take a look at my xorg.conf (renamed to .txt) file attached to let me know what lines to add?

Thanks
xorg.txt
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Question by:romatlo
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by:Kerem ERSOY
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by:romatlo
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Thank you for the comment KeremE, but this looks like an article to just enable dual display.  I currently have dual display working by enabling Xinerama, but I want to enable Clone mode as well.  There are many xorg.conf file examples out there and using the Option "Clone" "on" and other things, but nothing that I have tried works.  I assuming that I am close but do not have the right combination yet.  

Any other suggestions for enabling clone using my xorg.conf file specifically?
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by:Kerem ERSOY
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Bas1cly you need to duplicate your Monitor and Screen secitons as Monitor0, Monitor1an Screen0, Screen1 then you'll add

Screen          "Screen0"
Screen          "Screen1" LeftOf "Screen0"

To the Server Layout

Section. This is it.

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by:Kerem ERSOY
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Yeah but I need to know what Video Adapter and Whet driver are you currently using? Is your driver NVidea or ATI ?
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by:romatlo
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Thanks again KeremE for the suggestions.  I am re-imaging back to default and will try your suggestions.  To answer your question about the graphics, I am using an ATI Radeon X1250.  Please let me know if you have updated comments before I got test again.  Thanks!
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by:Kerem ERSOY
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ok then go downlaoad ATI driver from the site. It will give you a control panel similar to people uses on Wintel PC's and you can choose the second head and wheter iit will be on desktop expansion or clone mode.

Cheers,
K.
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by:romatlo
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Thanks again.  Given my lack of Linux experience (including download/installing drivers), could I just use the xorg.conf options that you gave me earlier instead?
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by:Kerem ERSOY
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ATI Catalyst Control Center > Display Manager > Display Modes > Enable Display Select Mode will do it :)
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by:romatlo
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Right, I understand that an ATI software download is an option here.  However, I am trying to get the easiest solution so that I may just deploy a new xorg.conf to the rest of my deployment and reboot them.  I will give your suggestions above a try and let you know.  Thanks again.
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by:Kerem ERSOY
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Hi,

You're already using ATI driver from Debian. I am not sure if it accepts the Xinerama mode command but i t do1ses modify tour ServerLayout section such as this:



ection "ServerLayout"

	Identifier     "Default Layout"

	Screen      0  "aticonfig-Screen[0]" 0 0

	Screen         "aticonfig-Screen[1]" RightOf "aticonfig-Screen[0]"

	InputDevice    "Generic Keyboard"

	InputDevice    "Configured Mouse"

	InputDevice    "Generic Mouse"

	Option	    "AllowMouseOpenFail" "true"

	Option	    "AIGLX" "true"

        Option "Xinerama" "off"

#	InputDevice	"Touchscreen1"		"SendCoreEvents"

EndSection

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by:Kerem ERSOY
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If not You'l need tou update the flgrx dirver that ATI presents. It is not that hard to install it comes with all the modules ready and also default installation script built in you just download and run.
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by:romatlo
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Could you please send me the link to the ATI driver download that you are referring to?  I may need a little guidance getting it installed.  Thanks again.
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by:romatlo
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Ok, I think that I have the Catalyst Control Center installed.  How do I know it is installed?  Where do I run it from?  I do not see it in the menus to run from...
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by:romatlo
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Oh well, forget it.  After I installed the ATI Catalyst Control Center and reboot, my displays to do not come up at all.  I will have to re-image again.  I tried your server layout suggestions above and did not work either...did nothing.  If you can think of anything that may help, let me know.

Thanks again.
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Kerem ERSOY earned 500 total points
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Hi,

As I told you I was not sure if the ATI driver supportet flgrx functionality.

Heres the link for the ATI Driver:
https://a248.e.akamai.net/f/674/9206/0/www2.ati.com/drivers/linux/ati-driver-installer-9-3-x86.x86_64.run

Please ask me whan you need help. I am already using the same driver on CentOS and very happy with it.

It wil appear in your system menu. If you're not seeing it then probably it won't run. When the installation is finished the install program says you need to restart and when it resarts it is under your system menu.

No you don't need to re-image anything. Boot from text replace your xorg.conf and restart that's it.




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