What could be more calming than watching silvery fish behind glass? However, before you set up a small, dazzling underwater world in your own four walls, you should clarify a few basic questions. An ...

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.