synchronize and fibers fails to install on aws

[ahmedatgithub]

Tried to install synchronize but failed, tried to install fibers first, still failed:

npm install fibers

[email protected] install /rs/node_modules/fibers
node build.js || nodejs build.js

sh: node: command not found
sh: nodejs: command not found
npm ERR! Linux 4.1.13-19.30.amzn1.x86_64
npm ERR! argv "/opt/elasticbeanstalk/node-install/node-v5.1.1-linux-x64/bin/node" "/opt/elasticbeanstalk/node-install/node-v5.1.1-linux-x64/bin/npm" "install" "fibers"
npm ERR! node v5.1.1
npm ERR! npm v3.3.12
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn

npm ERR! [email protected] install: node build.js || nodejs build.js
npm ERR! spawn ENOENT
npm ERR!
npm ERR! Failed at the [email protected] install script 'node build.js || nodejs build.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the fibers package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:

222 # npm owner ls fibers
laverdet [email protected]

[ahmedatgithub]

note that both node and npm are in the path correctly.