If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.
Want to run Windows 8's recently released Consumer Preview as a virtual machine? This guide will walk you through the process using the free hypervisor VirtualBox. Share on Facebook (opens in a new ...