Vagrant.configure("2") do |config| config.vm.define "mac" do |mac| config.vm.box = "devcert/macos" config.vm.network "public_network" config.vm.define "linux" do |linux| config.vm.box = "devcert/linux" config.vm.network "public_network" config.vm.define "windows" do |windows| config.vm.box = "devcert/windows" config.vm.network "public_network" config.vm.provider "virtualbox" do |vb| # Display the VirtualBox GUI when booting the machine vb.gui = true end end