Behind the Scenes in Kernel Development
An anonymous reader writes "Some interesting changes took place in the way the Linux kernel is developed and tested. In many ways, the methods used to develop the Linux kernel are much the same today as they were 3 years ago. However, several key changes have improved overall stability as well as quality. This article takes a look behind the scenes at the tools, tests, and techniques -- from revision control and regression testing to bugtracking and list keeping -- that helped make 2.6 a better kernel than any that have come before it." We might as well mention here (again) that a couple of new kernels are out: leif.singer writes "2.6.3 and 2.4.25 are out, fixing another vulnerability in do_mremap()."
How about JBoss, or Apache Geronimo? User Mode Linux is also important for Linux, like in Java hosting companies.