title: How do I check the uptime of a GCE instance using Stackdriver?
body: <p>What options do I have to check the uptime of a GCE instance ?</p>
  
  <ol>
  <li>Do I need to install a monitoring agent , in the documentation for monitoring though it only mentions about uptime check of an Apache server insatalled on the GCE instance , how can I check if the GCE instance itself is up or not if it does not have a webserver on it  ? </li>
  </ol>