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I just added a repository and installed a program by using the following commands in terminal:

$ sudo add-apt-repository ppa:indicator-brightness/ppa
$ sudo apt-get update && sudo apt-get install indicator-brightness

But then I realized that I don't need this as I have certain shortcuts on my keyboard to control screen brightness. So I want to undo these actions. Please help me in removing the repository and uninstalling the program.

P.S. I am new to Ubuntu. So a general method of removing any repository and uninstalling a program will be helpful. Thanks in advance...

Shaw
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  • Regarding removing a PPA we already have this: https://askubuntu.com/questions/307/how-can-ppas-be-removed Removing a PPA also removes software installed by that PPA. – Rinzwind Jul 05 '17 at 13:48
  • Simply uninstall as any other software package and remove it in Software Sources after that – userDepth Jul 05 '17 at 13:54

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