    config.vm.provider "virtualbox" do |v, override|
      override.vm.box     = vagrant_openshift_config['virtualbox']['box_name'] unless dev_cluster
      override.vm.box_url = vagrant_openshift_config['virtualbox']['box_url'] unless dev_cluster
      override.ssh.insert_key = vagrant_openshift_config['insert_key']

      v.memory            = vagrant_openshift_config['memory'].to_i
      v.cpus              = vagrant_openshift_config['cpus'].to_i
      v.customize ["modifyvm", :id, "--cpus", vagrant_openshift_config['cpus'].to_s]
      v.gui               = false
    end if vagrant_openshift_config['virtualbox']
