PPA hinzufügen / entfernen
PPA installieren
sudo add-apt-repository ppa:some-fancy-ppa/coolstuff
sudo apt-get update
sudo apt-get install coolstuff
PPA entfernen
sudo apt-get install ppa-purge
sudo ppa-purge ppa:some-fancy-ppa/coolstuff
sudo add-apt-repository ppa:some-fancy-ppa/coolstuff
sudo apt-get update
sudo apt-get install coolstuff
sudo apt-get install ppa-purge
sudo ppa-purge ppa:some-fancy-ppa/coolstuff