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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 and enabling Kerberos for Hadoop

In this recipe, we will be configuring Kerberos for a Hadoop cluster and enabling the authentication of services using tokens. Each service and user must have its principal created and imported to the keytab files. These keytab files should be available to the Hadoop daemons to read the passwords and perform operations.

It is assumed that the user has completed the previous recipe "Kerberos Server Setup" and is comfortable using Kerberos.

Getting ready

Make sure that the user has a running cluster with HDFS or YARN fully functional in a multinode cluster and a Kerberos server set up.

How to do it...

  1. The first thing is to make sure all the nodes are in sync with time and DNS is fully set up.

  2. On each node in the cluster, install the Kerberos workstation packages using the following commands:

    # yum install -y krb5-libs krb5-workstation

  3. Connect to the KDC server rep.cluster1.com and create a host key for each host in the cluster, as shown in the following...

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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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