The latest version of Scientific Linux can be downloaded from Softpedia
The second Release Candidate version of Scientific Linux 5.9, a recompiled Red Hat Enterprise Linux put together by various labs and universities around the world, is now available for download and testing.Highlights of Scientific Linux 5.9 RC2:
• The previously bundled ndiswrapper package has been removed in SL5.9. The package no longer built successfully against the current kernel;
• The closed-source Java 6 packages are end of life as of Feb 2013. They are not included in SL5 starting with SL5.9;
• Starting with SL 5.9, yum-conf-5x is automatically installed.
A complete list of changes and updates can be found in the official announcement for the distribution.
Download Scientific Linux 5.9 RC2 right now from Softpedia. Remember that this is a development release and it should NOT be installed on production machines. It is intended to be used for testing purposes only.