{
  "boot_command_prefix": "<esc><wait><esc><wait><enter><wait>/install/vmlinuz auto console-setup/ask_detect=false console-setup/layoutcode=us console-setup/modelcode=pc105 debconf/frontend=noninteractive debian-installer=en_US fb=false initrd=/install/initrd.gz kbd-chooser/method=us keyboard-configuration/layout=USA keyboard-configuration/variant=USA locale=en_US netcfg/get_domain=local netcfg/get_hostname=localhost grub-installer/bootdev=/dev/sda preseed/url=",
  "boot_command_suffix": "/20.04/preseed.cfg -- <wait><enter><wait>",
  "build_name": "ubuntu-2004",
  "distro_name": "ubuntu",
  "guest_os_type": "ubuntu-64",
  "iso_checksum": "f11bda2f2caed8f420802b59f382c25160b114ccc665dbac9c5046e7fceaced2",
  "iso_checksum_type": "sha256",
  "iso_url": "http://cdimage.ubuntu.com/ubuntu-legacy-server/releases/20.04/release/ubuntu-20.04.1-legacy-server-amd64.iso",
  "os_display_name": "Ubuntu 20.04",
  "shutdown_command": "shutdown -P now"
}