Vagrant.configure("2") do |config| config.vm.provider "virtualbox" do |v| v.memory = 4096 v.cpus = 2 end config.vm.define "ubuntu14" do |box| box.vm.box = "ubuntu/trusty64" end config.vm.define "ubuntu12" do |box| box.vm.box = "ubuntu/precise64" end config.vm.define "centos" do |box| box.vm.box = "chef/centos-6.5" end end