module.js:337
    throw new Error("Cannot find module '" + request + "'");
          ^
Error: Cannot find module 'socket.io'
    at Function._resolveFilename (module.js:337:11)
    at Function._load (module.js:279:25)
    at Module.require (module.js:359:17)
    at require (module.js:375:17)
    at Object.<anonymous> (/usr/share/nginx/www/cakephp-2.5.3/rd_cake/Setup/Node.js/Logfile.node.js:5:15)
    at Module._compile (module.js:446:26)
    at Object..js (module.js:464:10)
    at Module.load (module.js:353:32)
    at Function._load (module.js:311:12)
    at Array.0 (module.js:484:10)
Forever detected script exited with code: 1
Forever restarting script for 373 time