If you get VERR_NEM_VM_CREATE_FAILED when starting a virtual machine in Oracle VirtualBox, reboot the host system and if that doesn't work, check out these solutions.

Create a new VM Click VirtualBox’s Add toolbar button, give the VM a name, and set Type to Linux, and Version to Other Linux, with the appropriate bit (32 or 64) parameter matching your distro.

Your real PC running VirtualBox is called the host; VirtualBox is technically the hypervisor; and any virtualized systems it runs on the host PC are called guests, and are your virtual machines (VM).

9. Shared folders Finally, our favorite overlooked VirtualBox feature is “Shared Folders.” When we’ve had issues getting drag and drop to work, the easiest way to get files on and off a VM ...

Virtual machines can seem juuuuust a bit too geeky for most otherwise computer-friendly people. That's sad, because it's an easy, free way to try an ...

Jack Wallen walks you through the process of creating simple bash scripts to automate backing up your VirtualBox VMs.