KVM is often included among the best virtual machine software options, although it should be understood differently from most desktop virtualization tools. It is not an application that users simply ...

Edera addresses the fundamental insecurity of shared-kernel containers by giving each Kubernetes pod its own isolated Micro VM with a private Linux kernel, preventing container escapes and lateral ...

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.