Tech Drive-In posted a guide about installing VirtualBox 3.2.10 in Ubuntu Maverick, Lucid

VirtualBox is a proprietary virtualization software package currently being developed by Oracle Corporation. Using VirtualBox, you will be able to install additional guest operating systems, each known as a Guest OS, each with its own virtual environment.

  How to Install VirtualBox 3.2.10 in Ubuntu Maverick, Lucid