Polarion® ALM 3.0 is now available for Linux in addition to the previously released distribution for Windows®. Scripts providing fully or partially automated installation are included in the distribution and support the following platforms:
(Details on the download page.)
You can download the distribution and Linux installation guide documentation at "http://www.polarion.com/downloads/alm.php. You can select either the Team or the Enterprise download (it's really the same archive).
The limited-time free license offer for Polarion ALM Team also applies to the Linux version - check it out if you haven't already!