The VirtualBox Guest Additions gives a performance boost and extra features to your hosts. Follow these steps to install this package on a GUI-less Ubuntu server guest.

If you want to try MongoDB, here's a GUI to make it much easier. Jack Wallen shows you how to install it.

The full Windows Server 2012 install has full GUI access. Windows Server Core is most efficient, and that's what we'll focus on here. To get started open a command prompt and type sconfig (see Fig. 1) ...