Prerequisites
Before you enable Kerberos, your cluster must meet the following prerequisites. (Note: Links point to Ambari version 2.2.1.1. If your cluster runs a different version of Ambari, refer to the Ambari document for your version of software.)
| Prerequisite | References |
|
Ambari-managed cluster with Storm installed and running.
| Installing, Configuring, and Deploying a HDP Cluster in Automated Install with Ambari |
| Key Distribution Center (KDC) server installed and running. | Installing and Configuring the KDC |
| JCE installed on all hosts on the cluster (including the Ambari server). | Enabling Kerberos Authentication Using Ambari |
When all prerequisites are fulfilled, enable Kerberos security. For more information, see Running the Kerberos Security Wizard.