The Android OS definitely needs no introduction: it powers over 80% of all smart phones in the world right now.
Do you have an Ubuntu installation? And are you exploring web development using the Lift framework? Or do you need it for some other purpose? Good. Here is a guide to help you out.
Do you need Oracle Java on your Ubuntu computer? This is the tutorial you need. It will also show you how to uninstall OpenJDK from your computer if you had it before.
Have you forgotten the password to your Ubuntu VM? Here are the few and easy steps needed to set a new one.