title: listen EADDRNOTAVAIL error in Node.js
body: <p>I installed Nginx and Node.js in my server.</p>
  
  <p>When I try run my node.js file, I get an error:</p>
  
  <pre>
  node.js:201
          throw e; // process.nextTick error, or 'error' event on first tick
                ^
  Error: listen EADDRNOTAVAIL
      at errnoException (net.js:614:11)
      at Array.0 (net.js:689:28)
      at EventEmitter._tickCallback (node.js:192:40)
  </pre>
  
  <p>How can I fix this problem?</p>
  
  <p>Thanks!</p>