title: how to add user data in amazon Launch Configuration
body: <p>I have a <strong>AMI</strong> which is used to launch instances automatically though <strong>Amazon Launch configuration</strong>.</p>
  
  <p>The issue I am facing is that after instance gets launched I need to run some command which should <strong>start the WebServer</strong> automatically. how can I do that using <strong>user data option</strong> from launch configuration.</p>