title: initialize Permission denied @ rb_sysopen - Vagrant Up
body: <p>I Install Vagrant in my Ubuntu(14.4) System. When i Enter Vagrant Up comment Display following Errors.</p>
  
  <pre><code>/opt/vagrant/embedded/gems/gems/vagrant-1.8.5/lib/vagrant/machine_index.rb:321:in `initialize': Permission denied @ rb_sysopen - /home/w3cert/.vagrant.d/data/machine-index/index.lock (Errno::EACCES)
  </code></pre>