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.

In a move that caused more than a few eyes to bulge and jaws to drop, last July Microsoft announced it was contributing code to the Linux community with hopes of having it included in the Linux tree.

Running Windows as a virtual machine in Linux may seems like unnecessary work until something like the Wannacry ransomware scare comes along. The PCs that were affected, all running older Windows ...