Vagrant: how to set vm memory and force gui mode

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant::Config.run do |config|

  config.vm.define :zenoss do |zenoss_config|
      zenoss_config.vm.box  = "quantal64"
      zenoss_config.vm.network :hostonly, "10.66.66.10"
      zenoss_config.vm.forward_port 80, 8885
      zenoss_config.vm.customize ["modifyvm", :id, "--memory", 1024]
  end

  config.vm.define :desktop do |desktop_config|
      desktop_config.vm.box  = "quantal64"
      desktop_config.vm.network :hostonly, "10.66.66.20"
      desktop_config.vm.boot_mode = :gui
  end

end