Prepare your CDP Private Cloud Base cluster You should complete the following steps to prepare your CDP Private Cloud Base cluster. Install the JDKYou should install JDK on each machine on which you will install NiFi, if your version of Cloudera Manager is not already configured with JDK.Install and configure a database for NiFi RegistryIf you are installing NiFi Registry, you can install and configure an external MySQL or PostgreSQL database. By default, NiFi Registry is pre-configured to use an embedded H2 database. Install Cloudera Manager and a CDP Private Cloud Base clusterLearn about the basic requirements for installing Cloudera Manager and CDP Data Center.Install the CFM parcel from the repositoryInstall the CFM parcel to make NiFi and NiFi Registry available for installation. To install the CFM parcel to Cloudera Manager, you must update the Parcel URL, and then download, distribute and activate the CFM parcel. Download the CFM Custom Service Descriptor files A Custom Service Descriptor (CSD) file contains configuration information needed to describe and manage a new service. Download the CSDs for each CFM Service, specify ownership and permissions, and then restart the Cloudera Manager Server.