virtualbox.json

{
  "variables": {
    "version": ""
  },
  "builders": [
    {
      "type": "virtualbox-iso",
      "boot_command": [
        "<esc><wait>",
        "<esc><wait>",
        "<enter><wait>",
        "/install/vmlinuz<wait>",
        " auto<wait>",
        " console-setup/ask_detect=false<wait>",
        " console-setup/layoutcode=us<wait>",
        " console-setup/modelcode=pc105<wait>",
        " debconf/frontend=noninteractive<wait>",
        " debian-installer=en_US<wait>",
        " fb=false<wait>",
        " initrd=/install/initrd.gz<wait>",
        " kbd-chooser/method=us<wait>",
        " keyboard-configuration/layout=USA<wait>",
        " keyboard-configuration/variant=USA<wait>",
        " locale=en_US<wait>",
        " netcfg/get_domain=vm<wait>",
        " netcfg/get_hostname=vagrant<wait>",
        " grub-installer/bootdev=/dev/sda<wait>",
        " noapic<wait>",
        " preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg<wait>",
        " -- <wait>",
        "<enter><wait>"
      ],
      "boot_wait": "10s",
      "disk_size": 81920,
      "guest_os_type": "Ubuntu_64",
      "headless": true,
      "http_directory": "http",
      "iso_urls": [
        "iso/ubuntu-18.04.3-server-amd64.iso",
        "http://cdimage.ubuntu.com/ubuntu/releases/bionic/release/ubuntu-18.04.3-server-amd64.iso"
      ],
      "iso_checksum_type": "sha256",
      "iso_checksum": "7d8e0055d663bffa27c1718685085626cb59346e7626ba3d3f476322271f573e",
      "ssh_username": "vagrant",
      "ssh_password": "vagrant",
      "ssh_port": 22,
      "ssh_wait_timeout": "10000s",
      "shutdown_command": "echo 'vagrant'|sudo -S shutdown -P now",
      "guest_additions_path": "VBoxGuestAdditions_{{.Version}}.iso",
      "virtualbox_version_file": ".vbox_version",
      "vm_name": "packer-ubuntu-18.04-amd64",
      "vboxmanage": [
        ["modifyvm", "{{.Name}}", "--memory", "1024"],
        ["modifyvm", "{{.Name}}", "--cpus", "1"]
      ]
    }
  ],

  "provisioners": []
}