Adding Ubuntu GIS repository to your system's software sources

To use Ubuntu GIS packages, you need to add the repository to your system's software sources.

1. Verify that your ubuntu distribution is supported by the Ubuntu GIS project: List of the supported distributions

2. Add the sources.list entries

See the "Install packages" section of this page to know the entries to add: https://launchpad.net/~ubuntugis/+archive/ubuntugis-unstable

Step 1: Open the file /etc/apt/sources.list with a text editor and append the entries to the file.

Step 2: Authenticate the repository. Open your terminal and enter:

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 314DF160 

314DF160 is the OpenPGP key of the Ubuntu GIS repository

If you prefer adding the entries using the GUI, see this page: ​https://launchpad.net/+help/soyuz/ppa-sources-list.html