How To: Enable PPAs With Elementary OS

Elementary, like Debian and some other Debian derivatives, doesn’t support PPAs out of the box. In order to use them, you’ll have to install `software-properties-common`.

Open your terminal with CTRL + ALT + T and simply enter the following:

sudo apt install software-properties-common

Once you’ve done that, you can add PPAs in the normal way. For example, this is a LibreOffice PPA:

sudo add-apt-repository ppa:libreoffice/ppa