title: Cannot load default config file phantomjs
body: <p>I installed <code>phantomjs</code> using ap-get on ubuntu, when I try to get the version of <code>phantomjs</code></p>
  <blockquote>
  <p>phantomjs --version</p>
  </blockquote>
  <p>I get this error and warning:</p>
  <blockquote>
  <p>Fontconfig error: Cannot load default config file</p>
  <p>[WARNING] phantomjs: cannot connect to X server</p>
  </blockquote>
  <p>I tried to install <code>fonconfig</code> from the source I get the same error.</p>
  <p>Any solution to avoid this error. Thanks</p>