Vagrant 1.1 with host-only and bridged networking

Vagrantfile

Vagrant.configure("2") do |config|

  ip_address = "192.168.56.1"

  config.vm.box = "ubuntu-12.04.2-server-amd64"
  config.vm.hostname = "chef-server.local"
  config.ssh.timeout = 30

  config.vm.provider :virtualbox do |vbox|
    vbox.customize [ "modifyvm", :id, "--memory", 1024 ]

    vbox.customize [ "modifyvm", :id, "--nictype1", "virtio" ]
    vbox.customize [ "modifyvm", :id, "--nictype2", "virtio" ]

    # Open VirtualBox GUI terminal during provisioning.
    #vbox.gui = true
  end

  config.vm.network :public_network, bridge: "en0: Wi-Fi (AirPort)"
  config.vm.network :private_network, ip: ip_address
end