{

"name": "CentOS",
"versions": [{
    "major_version": "7",
    "minor_version": "3",
    "patch_version": "1611",
    "iso_url": "http://nimue.fit.vutbr.cz/centos/7/isos/x86_64/CentOS-7-x86_64-NetInstall-1611.iso",
    "iso_checksum": "f2f7367deb90a25822947660c71638333ca0eceeabecc2d631be6cd508c24494"
  }],
"boot_command": "linux ks=http://{{ .HTTPIP }}:{{ .HTTPPort }}",
"qemu": {
  "accelerator": "kvm",
  "qemuargs": [ [ "-m", "1024M" ] ]
},
"virtualbox": {
  "guest_os_type": "RedHat_64",
  "vboxmanage": [ ["modifyvm", "{{.Name}}", "--memory", "1024"] ],
  "guest_additions_mode": "disable"
}

}