The document provides steps for setting up a Hadoop cluster using Cloudera Manager, including downloading and running the Cloudera Manager installer, logging into the Cloudera Manager Admin Console, using Cloudera Manager to automate the installation and configuration of CDH, specifying cluster node and repository information, installing software components on cluster nodes, reviewing installation logs, installing parcels, setting up the cluster and roles, configuring databases and clients, and completing the Cloudera cluster installation process.