This document provides instructions for setting up Redmine, an open source project management tool, on an Amazon Linux EC2 instance. It includes steps to install Apache, Ruby, MySQL, Redmine and its dependencies using yum. It also covers configuring MySQL for UTF-8, creating a Redmine database and user, installing the Redmine code, configuring the database.yml file, initializing the database, and installing Passenger to run Redmine under Apache. Finally, it provides the default Redmine login credentials.