Node.js + Express Setup on Linux: The Best Practice @ http://gsklee.tumblr.com/post/47097805306/node-js-express-setup-on-linux-the-best-practice

_.sh

# Install Node Version Manager
# https://github.com/creationix/nvm
$ curl https://raw.github.com/creationix/nvm/master/install.sh | sh
$ nvm install 0.10.3
$ nvm alias default 0.10.3

# Install Express
# https://github.com/visionmedia/express
$ npm install -g express

# (Optional) Open Port 3000
# Note that you may have to insert the rule with a specific rule number for the new rule to take precedence.
$ iptables -I INPUT -p tcp --dport 3000 -j ACCEPT -m comment --comment "Express Port"
$ service iptables save
$ service iptables restart

# Install Forever
# https://github.com/nodejitsu/forever
$ npm install -g forever