If you find yourself with a mismatched VirtualBox and VirtualBox Extension Pack release, such that VirtualBox itself cannot resolve, Jack Wallen shows you how to fix this from the command line.

Virtualization is a buzzword that's been making its way around the corporate IT circles for a few years. On paper, virtualization sounds great—you can make full use of those unused CPU cycles, ...

Capable of running everything from Linux to OS X, Oracle's VirtualBox makes it possible to work on multiple operating systems at the same time. For instance, if you'd like to run Windows XP on your ...

Constantly testing software and tinkering with a variety of Linux operating systems puts my multiple test-bench computers to constant use. Granted, Linux comes with a lot fewer security risks. But ...

Even if you’re a Windows fan, you’ve probably thought about trying OS X. Maybe you’d like to test drive OS X before switching to a Mac or building a Hackintosh, or maybe you just want to run that one ...