https://github.com/mitchellh/nixos-config
    a lot of stuff

hw
https://github.com/mitchellh/nixos-config/blob/main/hardware/vm-aarch64-prl.nix

2021
MitchellHashimoto - NixOS VM on Mac Setup 0:00 of 9:02
    https://www.youtube.com/watch?v=ubDMLoWz76U