title: Segmentation fault (core dumped) when i run 'phantomjs' command in ubundu12.04
body: <p>when i tried to install phantomjs, after all progress ,i run </p>
  
  <pre><code>$:phantomjs -v . 
  $ : Permission denied
  </code></pre>
  
  <p>then i run </p>
  
  <pre><code>$: sudo chmod 755 /usr/local/share/phantomjs
  </code></pre>
  
  <p>There after whenever i run the command "phantomjs" ,
   ubuntu throws the error</p>
  
  <pre><code>Segmentation fault (core dumped)
  </code></pre>