sudo: required
language: node_js
node_js:
  - "4.1"
  - "4.0"
  - "0.12"
  - "0.11"
  - "0.10"
  - "iojs"
before_install:
  - "curl -L http://git.io/ejPSng | /bin/sh"
services:
  - mongodb

sudo: required
os:
  - linux
language: node_js
node_js:
  - "4.1"
  - "4.0"
  - "0.12"
  - "0.11"
  - "0.10"
  - "iojs"
before_install:
  - "curl -L http://git.io/ejPSng | /bin/sh"
services:
  - mongodb

Set up Linux for testing this project on multiple operating systems (OS)
Set up Linux for testing this project on multiple operating systems (OS)