Agregar y quitar PPAs mediante Terminal o Y PPA Director UBUNTU LINUX UBUNTU
sudo add-apt-repository ppa: clicompanio n-devs / clicompanion- nightlies
sudo apt-get update
sudo apt-get install clicompanion
sudo add-apt-repository ppa: webupd8team/y-ppa-manager
sudo apt-get update
sudo apt-get install y-ppa-manager