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Cloudera Administration Handbook

You're reading from   Cloudera Administration Handbook A complete, hands-on guide to building and maintaining large Apache Hadoop clusters using Cloudera Manager and CDH5

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Product type Paperback
Published in Jul 2014
Publisher Packt
ISBN-13 9781783558964
Length 254 pages
Edition 1st Edition
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Author (1):
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Rohit Menon Rohit Menon
Author Profile Icon Rohit Menon
Rohit Menon
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Table of Contents (11) Chapters Close

Preface 1. Getting Started with Apache Hadoop 2. HDFS and MapReduce FREE CHAPTER 3. Cloudera's Distribution Including Apache Hadoop 4. Exploring HDFS Federation and Its High Availability 5. Using Cloudera Manager 6. Implementing Security Using Kerberos 7. Managing an Apache Hadoop Cluster 8. Cluster Monitoring Using Events and Alerts 9. Configuring Backups Index

Introducing Kerberos


Kerberos is a network authentication protocol that has been designed to provide a robust authentication solution by employing secret key cryptography. Massachusetts Institute of Technology (MIT) has implemented a free version of this protocol, which is widely used.

Kerberos addresses the following requirements:

  • Kerberos makes it easy for users to log on and use the different resources on a network without having to go through the login procedure for access to each resource or service. In other words, Kerberos supports single sign-on access that would expect the user to log in only once into the system with seamless authorization to access the rest of the resources.

  • Distributed systems involve a large number of nodes connected to form a cluster, just like the Internet we use daily. These nodes could have malicious users that could take advantage of any flaws that exist in the network. Kerberos works well in such environments and protects the network from such users.

  • Kerberos...

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