title: Not found error on setting up local server using LAMPP
body: <p>When I enter localhost/hello.php in my browser, I get below error.</p>
  <blockquote>
  <p>Not Found</p>
  <p>The requested URL /hello.php was not found on this server.</p>
  <p>Apache/2.4.18 (Ubuntu) Server at localhost Port 80</p>
  </blockquote>