root@beaglebone:/var/lib/cloud9# node weatherstation.js
'fibers' not loaded
If desired, try installing it with:
  curl http://npmjs.org/install.sh | bash
  npm install fibers
Delay operations loops will consume CPU cycles
Invoke using 'node-fibers' if node version < 0.5.2
   info  - socket.io started

node.js:134
        throw e; // process.nextTick error, or 'error' event on first tick
        ^
Error: Server already opened
    at Server.listen (net.js:1023:42)
    at [object Object].begin (/var/lib/cloud9/bonescript/index.js:355:21)
    at /var/lib/cloud9/weatherstation.js:53:12
    at Object.run (/var/lib/cloud9/bonescript/index.js:268:9)
    at Object.<anonymous> (/var/lib/cloud9/weatherstation.js:56:4)
    at Module._compile (module.js:411:26)
    at Object..js (module.js:417:10)
    at Module.load (module.js:343:31)
    at Function._load (module.js:302:12)
    at Array.<anonymous> (module.js:430:10)