rails new blog -d postgresql cd blog rails g scaffold article name content:text gem install rubber rubber -h rbenv rehash rubber vulcanize complete_passenger_postgresql mkdir ~/.ec2 mv ~/Downloads/gsg-keypair.pem ~/.ec2/gsg-keypair chmod 600 ~/.ec2/gsg-keypair ssh-keygen -y -f ~/.ec2/gsg-keypair > ~/.ec2/gsg-keypair.pub bundle cap rubber:create_staging cat /etc/hosts cap rubber:destroy_all cap rub