Install Sails js Centos

1. Install nodejs and npm
2 Update npm
3 install sails
4. add nginx config for sails : (http://blog.saitov.me/2015/02/configure-sailsjs-expressjs-to-run-with.html)

yum install -y nodejs nmp

npm install -g npm

npm install -g sails grunt grunt-cli pm2 jade