install & hello world @nodejs in ubuntu!

[xTremeSurfer]

Install nodejs:

1. sudo apt-get install python-software-properties

2. sudo apt-add-repository ppa:chris-lea/node.js

3. sudo apt-get update

4. sudo apt-get install nodejs

Hello world in nodejs:

1.Create a file named test.js.

2.Write this in test.js.

var http = require('http');

// Configure our HTTP server to respond with Hello World to all requests.
var server = http.createServer(function (request, response) {
  response.writeHead(200, {"Content-Type": "text/plain"});
    response.end("Hello World\n");
    });

    // Listen on port 8000, IP defaults to 127.0.0.1
    server.listen(8000);

    // Put a friendly message on the terminal
    console.log("Server running at http://127.0.0.1:8000/");

3.In terminal write: node test.js

Source: Hello Node! - How To Node - NodeJS