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You're reading from  Hadoop 2.x Administration Cookbook

Product typeBook
Published inMay 2017
PublisherPackt
ISBN-139781787126732
Edition1st Edition
Tools
Hadoop
Concepts
System Administration
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Author (1)
Aman Singh
Aman Singh
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Aman Singh

Gurmukh Singh is a seasoned technology professional with 14+ years of industry experience in infrastructure design, distributed systems, performance optimization, and networks. He has worked in big data domain for the last 5 years and provides consultancy and training on various technologies. He has worked with companies such as HP, JP Morgan, and Yahoo. He has authored Monitoring Hadoop by Packt Publishing
Read more about Aman Singh

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Configuring Kerberos server

In this recipe, we will configure Kerberos server and look at some of the fundamental components of Kerberos, which are important to understand its working and lay the foundation for setting up Kerberos for Hadoop. Refer to the following diagram, which explains the working of Kerberos:

Kerberos consists of two main components, authentication server (AS) and Key distribution center (KDC, subcomponent KGS). The clients, which could be users, hosts, or services are called principal, authenticate to AS and, on being successful, are granted a ticket (TGT), which is a token to use other services in the respective realm (domain).

The password is never sent over the wire and the TGT granted to the client by the KDC is encapsulated with the client password. The TGT received will be cached by the client and can be used to connect to any service or host within the realm or across domains, if a trust relationship is configured.

KDC is the middleman between clients and services...

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Hadoop 2.x Administration Cookbook
Published in: May 2017Publisher: PacktISBN-13: 9781787126732
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Aman Singh

Gurmukh Singh is a seasoned technology professional with 14+ years of industry experience in infrastructure design, distributed systems, performance optimization, and networks. He has worked in big data domain for the last 5 years and provides consultancy and training on various technologies. He has worked with companies such as HP, JP Morgan, and Yahoo. He has authored Monitoring Hadoop by Packt Publishing
Read more about Aman Singh

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