gns3-registry/ubuntu-server-18.04.3 (64bit) LTS.gns3a

{
    "name": "Ubuntu Server",
    "category": "guest",
    "description": "Ubuntu is a full-featured Linux operating system which is based on Debian distribution and freely available with both community and professional support.",
    "vendor_name": "Canonical Inc.",
    "vendor_url": "https://www.ubuntu.com",
    "documentation_url": "https://help.ubuntu.com",
    "product_name": "Ubuntu",
    "product_url": "https://ubuntu.com/server",
    "registry_version": 3,
    "status": "stable",
    "maintainer": "GNS3 Team",
    "maintainer_email": "developers@gns3.net",
    "usage": "Username: gns3\nPassword: gns3 | MD5: 435f15a54f7f673e302ad26f05226e0e",
    "port_name_format": "ens{0}",
    "qemu": {
        "adapter_type": "virtio-net-pci",
        "adapters": 1,
        "ram": 2048,
        "hda_disk_interface": "virtio",
        "arch": "x86_64",
        "console_type": "vnc",
        "boot_priority": "c",
        "kvm": "require",
        "options": "-vga virtio"
    },
    "images": [
        {
            "filename": "Ubuntu Server 18.04.3 LTS (64bit).vmdk",
            "version": "18.04.3",
            "md5sum": "435f15a54f7f673e302ad26f05226e0e",
            "filesize": 2707814912,
            "download_url": "https://www.ictkin.com/gns3-appliance/"
        }
    ],
    "versions": [
        {
            "name": "18.04.3 LTS Server",
            "images": {
                "hda_disk_image": "Ubuntu Server 18.04.3 LTS (64bit).vmdk"
            }
        }
    ]
}