This is the documentation for Cloudera Manager 4.8.6. Documentation for other versions is available at Cloudera Documentation.

Cloudera Manager 4 and CDH 4 have reached End of Maintenance (EOM) on August 9, 2015. Cloudera will not support or provide patches for any of the Cloudera Manager 4 or CDH 4 releases after that date.

Configuring Hadoop Security with Cloudera Manager

This guide describes how to use Cloudera Manager to automate many of the manual tasks of implementing Kerberos security on your CDH cluster.


These instructions assume you know how to install and configure Kerberos, you already have a working Kerberos Key Distribution Center (KDC) and realm setup, and that you've installed the Kerberos user packages on all cluster machines and machines which will be used to access the cluster. Furthermore, Oozie and Hue require that the realm support renewable tickets. For more information about installing and configuring Kerberos, see:


Kerberos security in Cloudera Manager has been tested on the following version of MIT Kerberos 5:

  • krb5-1.6.1 on Red Hat Enterprise Linux 5 and CentOS 5

Kerberos security in Cloudera Manager is supported on the following versions of MIT Kerberos 5:

  • krb5-1.6.3 on SUSE Linux Enterprise Server 11 Service Pack 1
  • krb5-1.8.1 on Ubuntu
  • krb5-1.8.2 on Red Hat Enterprise Linux 6 and CentOS 6
  • krb5-1.9 on Red Hat Enterprise Linux 6.1
This page last updated September 8, 2015