Search icon CANCEL
Subscription
0
Cart icon
Cart
Close icon
You have no products in your basket yet
Save more on your purchases!
Savings automatically calculated. No voucher code required
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Hadoop 2.x Administration Cookbook

You're reading from  Hadoop 2.x Administration Cookbook

Product type Book
Published in May 2017
Publisher Packt
ISBN-13 9781787126732
Pages 348 pages
Edition 1st Edition
Languages
Author (1):
Aman Singh Aman Singh
Profile icon Aman Singh
Toc

Table of Contents (20) Chapters close

Hadoop 2.x Administration Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
1. Hadoop Architecture and Deployment 2. Maintaining Hadoop Cluster HDFS 3. Maintaining Hadoop Cluster – YARN and MapReduce 4. High Availability 5. Schedulers 6. Backup and Recovery 7. Data Ingestion and Workflow 8. Performance Tuning 9. HBase Administration 10. Cluster Planning 11. Troubleshooting, Diagnostics, and Best Practices 12. Security Index

Enabling service level authorization


In this recipe, we will look at service level authorization, which is a mechanism to ensure that the clients connecting to Hadoop services have the right permissions and authorization to access them. This is more of a global control in comparison to the control at the job queue level. Which users can submit jobs to the cluster or which Datanodes can connect to the Namenode based on the Datanode service user.

Service level authorization checks are performed much before any other checks, such as file permissions or permissions on sub queues.

Getting ready

For this recipe, you will need a running cluster with HDFS and YARN configured, and it is good to have a basic understanding of Linux users and permissions.

How to do it...

  1. Connect to the nn1.cluster1.com master node and switch to user hadoop.

  2. All the configuration goes into the hadoop-policy.xml file on each node in the cluster.

  3. Firstly, allow all users to connect as DFSclient using the following configuration...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime