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This website is teaching me how to install retroarch. http://ubuntuhandbook.org/index.php/2013/11/install-retroarch-emulator-ppa-ubuntu/ I enter the first line in the terminal, the one that installs the PPA. "add-apt-repository ppa:hunter-kaller/ppa" And in return, I get this: "Error: must run as root" I am quite confused. Help?

user251528
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1 Answers1

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All the commands mentioned should be run as root, you can do this by prefixing the commands with sudo - so you need to run these instead:

sudo add-apt-repository ppa:libretro/stable
sudo apt-get update
sudo apt-get install retroarch libretro*

Sort of simple explaination of sudo here, more complicated one here
Please comment if you feel you have better examples.

Community
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Wilf
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    For Ubuntu 14.04 and newer, it is better to use the new PPA "ppa:libretro/stable". (More info: http://www.libretro.com/forums/viewtopic.php?f=35&t=2351) – NullNoname Sep 28 '14 at 04:16