error

› node server.js 
The "sys" module is now called "util". It should have a similar interface.

node.js:201
        throw e; // process.nextTick error, or 'error' event on first tick
              ^
TypeError: object is not a function
    at EventEmitter.CALL_NON_FUNCTION (native)
    at Object.<anonymous> (/home/rex/Projects/foilr/lib/server.js:10:3)
    at Object.<anonymous> (/home/rex/Projects/foilr/lib/server.js:11:4)
    at Module._compile (module.js:432:26)
    at Object..js (module.js:450:10)
    at Module.load (module.js:351:31)
    at Function._load (module.js:310:12)
    at Array.0 (module.js:470:10)
    at EventEmitter._tickCallback (node.js:192:40)

server.js

(function() {
  var cluster, connect, main, portfolio, server;
  cluster = require('cluster');
  connect = require('connect');
  main = require('./main/app');
  portfolio = require('./portfolio/app');
  server = connect();
  server.use(connect.vhost('foilr.com', main));
  server.use(connect.vhost('*', portfolio));
  cluster(server).set('workers', 4).use(cluster.debug()).listen(80);
}).call(this);