title: How to change Elasticsearch network host
body: <p>I've install ES on my VM which it has an OS of <code>centos 7</code>. It network.host: bind to the localhost. I can browse via port 9200.</p>
  
  <p>My problem is that I've changed the network host to:<code>0.0.0.0</code> (So I can get public access from my host PC).<br>
  the service started but the port is not listening.  </p>
  
  <p>I want to access ES from my host PC.<br>
  How can i change the network.host ? </p>