My general Vagrantfile at ubuntu/trusty64

Vagrantfile

Vagrant.configure(2) do |config|
  def install_plugin(plugin)
    system "vagrant plugin install #{plugin}" unless Vagrant.has_plugin? plugin
  end
  install_plugin('vagrant-share')
  install_plugin('vagrant-vbguest')
  install_plugin('vagrant-omnibus')
  install_plugin('vagrant-cachier')
  if Vagrant.has_plugin?("vagrant-cachier")
    config.cache.scope = :box
  end
  if Vagrant.has_plugin?("vagrant-vbguest")
      config.vbguest.auto_update = false
  end
  config.vm.box = "ubuntu/trusty64"
  config.vm.network "private_network", ip: "192.168.33.10"
  config.vm.network "public_network"
  config.vm.provider "virtualbox" do |vb|
    vb.memory = "1024"
    vb.customize ['modifyvm', :id,
      "--clipboard", "bidirectional",
      "--draganddrop", "bidirectional",
    ]
  end
end