Vagrant on Qubes-OS
(Vagrant)[https://www.vagrantup.com] "Development Environments Made Easy"
(Qubes-OS)[https://www.qubes-os.org] "A Reasonably Secure Operating System."
This is a guide on to using vagrant on qubes-os with qemu using the libvirt provider. Because qubes-os does not support nested virtualization, you'r stuck with emulation. If you want performance, use a system with a proper vagrant setup.