$ sudo apt-get update
$ sudo apt-get install g++ curl libssl-dev apache2-utils
$ sudo apt-get install python-software-properties
$ sudo apt-get install imagemagick
$ sudo apt-get install libcairo2-dev libjpeg8-dev libpango1.0-dev libgif-dev build-essential g++
$ sudo add-apt-repository ppa:chris-lea/node.js
$ sudo apt-get update
$ sudo apt-get install nodejs
http://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/
$ cd ACdream
$ mongorestore -h localhost -d gzhu_db --directoryperdb gzhu_db -drop
$ cd ACdream
$ sudo npm i
$ sudo npm i -g nrm
$ nrm ls
$ nrm use cnpm
$ cd ACdream
$ node app.js