Connect Redis using node JS in Linux

I am trying to connect to redis in linux using node js as below

var redis = require('redis');

But, getting the error as below. I have redis-2.4.17 installed in linux and the path is /home/masadmin/redis-2.4.17/src Kindly help on how to connect to redis using node in linux.

module.js:340
    throw err;

          ^
Error: Cannot find module 'redis'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:362:17)
    at require (module.js:378:17)
    at Object.<anonymous> (/home/masadmin/Vinod/prapprRedisLoad.js:2:13)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.runMain (module.js:492:10)