install nodejs, npm and gulp on ubuntu

The reference can be found here: https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager The commands to install nodejs and npm on ubuntu: curl -sL https://deb.nodesource.com/setup | sudo bash – sudo apt-get install nodejs Check nodejs and npm installation: node -v npm -v Install Gulp (global/local): sudo npm install -g gulp sudo npm install gulp –save-dev