ubuntu-20.04-legacy-server-packer.json

{
  "builders": [
    {
      "type": "vmware-iso",

      "guest_os_type": "ubuntu-64",
      "memory": 1024,
      "name": "ubuntu-20.04-legacy-server",
      "iso_urls": [
        "iso/ubuntu-20.04.1-legacy-server-amd64.iso",
        "http://cdimage.ubuntu.com/ubuntu-legacy-server/releases/20.04/release/ubuntu-20.04.1-legacy-server-amd64.iso"
      ],
      "iso_checksum_type": "sha256",
      "iso_checksum": "f11bda2f2caed8f420802b59f382c25160b114ccc665dbac9c5046e7fceaced2",

      "http_directory": "debian-installer/http",
      "output_directory": "output/live-server",

      "boot_wait": "5s",
      "boot_command": [
        "<esc><wait>",
        "<esc><wait>",
        "<enter><wait>",
        "/install/vmlinuz<wait>",
        " initrd=/install/initrd.gz",
        " auto-install/enable=true",
        " debconf/priority=critical",
        " preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg<wait>",
        " -- <wait>",
        "<enter><wait>"
      ],
      "shutdown_command": "shutdown -P now",

      "ssh_username": "ubuntu",
      "ssh_password": "ubuntu",
      "ssh_pty": true,
      "ssh_timeout": "20m",
      "ssh_handshake_attempts": "20"
    }
  ],

  "provisioners": [
    {
      "type": "shell",
      "inline": ["ls /"]
    }
  ]
}