Step 17: (Optional) Enable Authentication for HTTP Web Consoles for Hadoop Roles

Minimum Required Role: Configurator (also provided by Cluster Administrator, Full Administrator)

Authentication for access to the HDFS, MapReduce, and YARN roles' web consoles can be enabled using a configuration option for the appropriate service. To enable this authentication:
  1. From the Clusters tab, select the service (HDFS, MapReduce, or YARN) for which you want to enable authentication.
  2. Click the Configuration tab.
  3. Select Scope > serviceName Service-Wide.
  4. Select Category > Security.
  5. Select Enable Kerberos Authentication for HTTP Web-Consoles.
  6. Click Save Changes to commit the changes.
  7. Once the command finishes, restart all roles of that service.