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In the new version of Ubuntu, I cannot find the application to reverse the color of my screen. It has been in the Ubuntu 10, when I pressed the button Win+M or Win+N, the color of the whole screen would be reserved. What's the name of that application. Can I find it in new version?

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up vote 20 down vote accepted

Compiz method

Its a Compiz plugin, Firstly install ccsm if you havent already

sudo aptitude install compizconfig-settings-manager

Then go to

System > Preferences > CompizConfig Settings Manager

Opening CCSM

Tick the plugin Negative


Now it should work But in Natty, You will face a problem, Pressing Ctrl+M Brings up the messaging menu So the key association of the Negative Plugin should be reassigned to another combination

To do that: Click the Name of the negative plugin You should encounter such a page Negative Plugin Click the key combinations and change them to something else Clicking Now it will work

Non Compiz method

Either you can use

magnifier -z 1 -fi 

sudo apt-get install xcalib
/usr/bin/xcalib -invert -alter;

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Anyway to do the above steps without installing CCSM? –  Oxwivi Aug 12 '11 at 10:39
@Oxwivi I think so there is a command backend for Compiz. –  Amith KK Aug 12 '11 at 10:54
man compiz does not say anything about how to enable plugins... –  Oxwivi Aug 12 '11 at 11:39
@Amith kk It seems that the negative cannot be enabled after I do what mentioned in this post. –  Kim Aug 13 '11 at 7:51
Also, remember to run sudo apt-get install compiz-plugins in case you don't have the compiz-plugins package already installed for some reason. –  Julian Mar 8 '14 at 19:57

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