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Are “PPA's” safe to add to my system, and what are some “red flags” to watch out for?

sudo add-apt-repository ppa:anton0/unity
sudo apt-get update
sudo apt-get upgrade

# Reboot

gconftool-2 -s --type boolean /apps/compiz-1/plugins/unityshell/screen0/options/menu_always_visible true

It's supposed to stop the global menu from fading away however I've never seen anyone use such a thing before so I don't know if it's even possible or if this is fake or something.


That is basically the equivalent of downloading software from a website and running it on Windows, but IIUC is potentially more insecure because this new PPA could publish a newer version of a program you didn't intent to obtain from them, obsoleting a package you have and tricking your package manager into 'updating' to it. I hope someone will correct me if I'm incorrect about this.

It all comes down to this: Do you trust the source?

  • Update: I installed it and it works fine. – user6504 Jun 5 '12 at 18:39

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