sudo add-apt-repository ppa:pitti/postgresql
sudo apt-get update
#now install postgresql
sudo apt-get install postgresql-9.1 libpq-dev
create a new user in psql
sudo su postgres
createuser user_name #Shall the new role be a superuser? (y/n) y
Gemfile
gem 'pg'
bundle install
development.ymldevelopment:
adapter: postgresql
database: app_development
pool: 5
username: user_name
password: