diff --git a/README.md b/README.md
index 63c4dd6..8d6ae46 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,6 @@ $ git clone https://github.com/jjasghar/chef-openstack-testing-stack.git testing
 $ cd testing-stack
 $ vi vagrant_linux.rb # change the 'vm.box' to the openstack platform you'd like to run.
 $ chef exec rake berks_vendor
-$ chef exec ruby -e "require 'openssl'; File.binwrite('.chef/validator.pem', OpenSSL::PKey::RSA.new(2048).to_pem)"
 ```
 
 The stackforge OpenStack cookbooks by default use databags for configuring passwords.  There are four
diff --git a/Rakefile b/Rakefile
index 074b72b..90b00aa 100644
--- a/Rakefile
+++ b/Rakefile
@@ -26,23 +26,30 @@ task :berks_vendor do
   run_command('berks vendor cookbooks')
 end
 
+desc "Create Chef Key"
+task :create_key do
+  if not File.exist?('.chef/validator.pem')
+    sh %(chef exec ruby -e "require 'openssl'; File.binwrite('.chef/validator.pem', OpenSSL::PKey::RSA.new(2048).to_pem)")
+  end
+end
+
 desc "All-in-One Neutron build"
-task :aio_neutron do
+task :aio_neutron => :create_key do
   run_command('chef-client -z vagrant_linux.rb aio-neutron.rb')
 end
 
 desc "All-in-One Nova-networking build"
-task :aio_nova do
+task :aio_nova => :create_key do
   run_command('chef-client -z vagrant_linux.rb aio-nova.rb')
 end
 
 desc "Multi-Neutron build"
-task :multi_neutron do
+task :multi_neutron => :create_key do
   run_command('chef-client -z vagrant_linux.rb multi-neutron.rb')
 end
 
 desc "Multi-Nova-networking build"
-task :multi_nova do
+task :multi_nova => :create_key do
   run_command('chef-client -z vagrant_linux.rb multi-nova.rb')
 end