following this video: https://www.youtube.com/watch?v=Jsmeh7q9Qv4

var http = require('http');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello World\n');
}).listen(8080, 'localhost');
console.log('Server running at http://10.130.16.227:8080/');

//error after issuing a command "node hello.js"
TypeError: http.createServer is not a function
    at Object.<anonymous> (/root/hello.js:3:6)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Function.Module.runMain (module.js:441:10)
    at startup (node.js:139:18)
    at node.js:968:3

Any help please!