I'm really new in this thing with ubuntu. I have this laptop X550JX(asus) and I don't know how can I set the brightness from keys. If anyone can help me it will be awesome. Thank you!
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You can use Indicator Brightness applet. You can get it on Launchpad or install it from the ppa using the following commands in the terminal:
sudo add-apt-repository ppa:indicator-brightness/ppa
sudo apt-get update
sudo apt-get install indicator-brightness
After you install it, reboot your device. Then you can set the shortcuts to control brightness. Go to System settings -> Keyboard -> Shortcuts -> Custom Shortcuts. Add two shortcuts for the the following commands
/opt/extras.ubuntu.com/indicator-brightness/indicator-brightness-adjust --up
/opt/extras.ubuntu.com/indicator-brightness/indicator-brightness-adjust --down
Then you can assign your custom shortcut to them by clicking on the Disabled and pressing required keys.
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