diff --git a/Vagrantfile b/Vagrantfile
index eb01fe73..9b660242 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -51,8 +51,11 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   #   # Don't boot with headless mode
   #   vb.gui = true
   #
-  #   # Use VBoxManage to customize the VM. For example to change memory:
-  #   vb.customize ["modifyvm", :id, "--memory", "1024"]
+  # Use VBoxManage to customize the VM. For example to change memory:
+    vb.customize ["modifyvm", :id, "--ioapic", "on"]
+    vb.customize ["modifyvm", :id, "--cpus", "4"]   
+    vb.customize ["modifyvm", :id, "--memory", "1024"]
+    vb.customize ["modifyvm", :id, "--cpuexecutioncap", "80"]
   end
   #
   # View the documentation for the provider you're using for more