Database Reference
In-Depth Information
9. From the Cloudera Manager home screen, start the CDH5 cluster and the
Cloudera Management service.
10. Once the services start successfully, the cluster starts operating in a secure mode.
11. After the services are kerberized, the access to the
hdfs
superuser is lost and this
needs to re-enabled by creating a new
hdfs
user principal as shown in the fol-
lowing screenshot:
The previously mentioned steps complete the Kerberos configuration for CDH using
Cloudera Manager. Now, only authorized users can log in to the cluster and only author-
ized services can communicate with each other.
More details on securing Hadoop clusters can be found at
http://www.cloudera.com/con-
