title: how to create ip alias in nodejs
body: <p>I am writing test in nodejs.
  Calling my api using requestjs.
  Now I have to make one call  using an ip address to the api (/resources/media)
  Then I have to make another call to the same api (/resources/media) using different ip from the same computer.</p>
  
  <p>OS: ubuntu</p>
  
  <p>any idea how to do that
  help is very much appreciated.</p>
  
  <p>Thanks</p>