A frequently asked question is "How do I practice?". Well today we're going to show you how to safely create your own hack lab environment completely free on a Windows machine. You can do this on a *nix or even OSX, VirtualBox supports any of them and is the only installation required. The best part about having your lab in a VM is that if you have any problems, you and quickly reset your machine to a previous state without compromising your main machine.
Part 2 of this tutorial can be found here.