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.

We took Gnome Boxes for a quick spin—it has promise but needs more work. I generally describe virt-manager as “simple”—and in many ways it’s much simpler than Boxes is—but there are different ways to ...