The Disk should be formatted with a case insensitive file system (default).

System Preferences > Software Update > off

System Preferences > Desktop & Screensaver > never screensaver

System Preferences > Energy Saver > never sleep

System Preferences > Energy Saver > start up automatically after power failure

System Preferences > Sharing > enable ssh (enable for administrators)

windows image:

  gsutil cp gs://go-builder-data/windows-arm64.20210629.tar.xz ./windows-arm64.20210629.tar.xz
  scp windows-arm64.20210629.tar.xz your-macmini-instance:~/
  ssh your-macmini-instance
  # The following will create a directory called macmini-windows with image and qemu binaries inside:
  tar xf windows-arm64-20210629.tar.xz

Automator:

  scp env/windows-arm64/macstadium/winloop.sh your-macmini-instance:~/macmini-windows/winloop.sh
  # On buildlet host:
  chmod u+x ~/macmini-windows/winloop.sh
  File > New > Application
  [+] Run shell script
  [ open -a Terminal.app $HOME/macmini-windows/winloop.sh ]
  Save to desktop as "run-builder"

System Preferences > Users & Groups > auto-login "gopher" user, run Desktop/run-builder (automator app)

passwordless sudo:

  sudo visudo
  Change line from:
   %admin ALL=(ALL) ALL
  to:
   %admin ALL=(ALL) NOPASSWD: ALL

verbose boot: (text instead of apple image)

  sudo nvram boot-args="-v"