title: Nokogiri fails to install on OS X
body: <p>There are many posts on this issue, however, there can be a couple of reasons why Nokogiri (version 1.6.x, 1.7.x or 1.8.x) fails to install on OS X.</p>
  
  <p>Related articles:</p>
  
  <ul>
  <li><p><a href="https://stackoverflow.com/questions/5505047/os-x-10-6-installing-nokogiri?rq=1">OS X 10.6 Installing Nokogiri</a></p></li>
  <li><p><a href="https://stackoverflow.com/questions/21887068/cannt-install-nokogiri-1-6-1-on-mac-os-x-10-9-maveriks?noredirect=1&amp;lq=1">cann&#39;t install nokogiri 1.6.1 on Mac OS X 10.9 Maveriks</a> </p></li>
  </ul>