r1centos6.json

{
    "builders": [
        {
            "type": "virtualbox-iso",
            "name": "r1centos6-vbox",
            "vm_name": "r1centos6",
            "guest_os_type": "RedHat_64",
            "iso_url": "http://mirrors.seas.harvard.edu/centos/6.6/isos/x86_64/CentOS-6.6-x86_64-minimal.iso",
            "iso_checksum": "eb3c8be6ab668e6d83a118323a789e6c",
            "iso_checksum_type": "md5",
            "ssh_username": "vagrant",
            "ssh_password": "vagrant",
            "shutdown_command": "sudo -S shutdown -P now",
            "http_directory": "http",
            "guest_additions_mode": "attach",
            "boot_command": [
            "<wait><esc><esc>",
            "linux ks=http://{{.HTTPIP}}:{{.HTTPPort}}/ks.cfg<enter>"
        ]
    }],
    "provisioners": [{
        "type": "shell",
        "inline_shebang":"/bin/bash",
        "start_retry_timeout": "1m",
        "inline": [
          "sleep 15",
          "echo Installing utilities...",
          "sudo yum -y install epel-release",
          "sudo yum -y install htop tmux vim iotop jnettop python-json",
          "echo Installing Vbox Guest Additions",
          "sudo mkdir /tmp/vboxguest",
          "sudo mount -t iso9660 -o ro /dev/sr1 /tmp/vboxguest",
          "sudo yum -y --enablerepo rpmforge install dkms",
          "sudo yum -y groupinstall 'Development Tools'",
          "sudo yum -y install kernel-devel-2.6.32-504.el6.x86_64",
          "cd /tmp/vboxguest",
          "sudo ./VBoxLinuxAdditions.run",
          "cd /tmp",
          "sudo umount /tmp/vboxguest",
          "sudo rmdir /tmp/vboxguest",
          "echo Image Provisioned!"
        ]
    }],
    "post-processors":["vagrant"]
}