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Saturday, September 24, 2011

Turning off LCD monitor in Ubuntu

I found this trick from Softpedia. And I found its very cool, So just wanna Share...
Here it starts......

Step 1 - Install the requirements

First of all, we need to install a Python library, so just click the link below and let your package manager install the required package. After installation, close the package manager and proceed to the next step.

Install python-xlib

Step 2 - Make the script

Now that you've installed the required library (see above), all you need to do is to right click on your desktop and select the "Create New Document -> Empty Document" option.

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Rename the file to Now, open it with a double click, copy the code below and paste it in.


import time
import subprocess
from Xlib import X
from Xlib.display import Display

display = Display(':0')
root = display.screen().root
        X.ButtonPressMask | X.ButtonReleaseMask | X.PointerMotionMask,
        X.GrabModeAsync, X.GrabModeAsync, 0, 0, X.CurrentTime)
        X.GrabModeAsync, X.GrabModeAsync, X.CurrentTime)'xset dpms force off'.split())
p = subprocess.Popen('gnome-screensaver-command -i'.split())

while True:
    print display.next_event()

Save the file!

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Right click on the file and choose "Properties".

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Go to the "Permissions" tab and check the "Allow executing file as program" option.

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Editor's note: Place the file somewhere on your home folder, but remember the path for the next step.

Step 3 - Make the shortcut

Click the Ubuntu logo to open the Unity Dash and search "keyboard" (without quotes). Click the "Keyboard" icon and the Keyboard app will open.

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Go to the "Shortcuts" tab, select "Custom Shortcuts" option from the list and click the + button to add a new shortcut. In the "Name:" field write something like "Monitor Off Script" and in the command field write the path to the script, including the name of the script (e.g. /home/softpedia/ Click the "Apply" button when you're done.

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To assign a keyboard shortcut, click the "Disabled" entry on the newly created shortcut line and press the desired key on your keyboard, when it says "New shortcut".

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We've assigned F10 as the shortcut key for our monitor off script.

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That's it! Close the Keyboard app and press the selected shortcut key to test the script. Is your monitor off now? Turn it back on with the Esc key or with a mouse click.

If you encounter issues with the tutorial, do not hesitate to drop a comment below. Have fun using Linux!

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