Just a quick heads up for all open-source GIS enthusiasts. Quantum GIS 1.0.1 aka “Kore” is now available in repositories for the new Ubuntu Jaunty release.
For first time users, here are steps to help you guide through the installation.
Bring up the terminal (Applications -> Accessories -> Terminal)
Edit the /etc/apt/sources.list by issuing the command sudo gedit [...]