How To Install KDE 4.4 Beta In Ubuntu 9.10 Karmic

The first beta of KDE SC 4.4 has packages available in the Beta PPA. Ubuntu Lucid users can simply "sudo apt-get upgrade" to upgrade to the latest packages.

Ubuntu Karmic users have to add the following PPA (although I strongly advise you not to upgrade to KDE 4.4 beta, especially on a production machine):