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You're reading from  Securing Hadoop

Product typeBook
Published inNov 2013
Reading LevelIntermediate
PublisherPackt
ISBN-139781783285259
Edition1st Edition
Languages
Java
Tools
Hadoop
Concepts
Data Processing
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Author (1)
Sudheesh Narayan
Sudheesh Narayan
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Sudheesh Narayan

Sudheesh Narayanan is a Technology Strategist and Big Data Practitioner with expertise in technology consulting and implementing Big Data solutions. With over 15 years of IT experience in Information Management, Business Intelligence, Big Data & Analytics, and Cloud & J2EE application development, he provided his expertise in architecting, designing, and developing Big Data products, Cloud management platforms, and highly scalable platform services. His expertise in Big Data includes Hadoop and its ecosystem components, NoSQL databases (MongoDB, Cassandra, and HBase), Text Analytics (GATE and OpenNLP), Machine Learning (Mahout, Weka, and R), and Complex Event Processing. Sudheesh is currently working with Genpact as the Assistant Vice President and Chief Architect – Big Data, with focus on driving innovation and building Intellectual Property assets, frameworks, and solutions. Prior to Genpact, he was the co-inventor and Chief Architect of the Infosys BigDataEdge product.
Read more about Sudheesh Narayan

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Setting up Kerberos

The first step in the process to establish a secure Hadoop cluster is to set up the Kerberos authentication and ensure that the Kerberos authentication for the Hadoop service principals are working for all the nodes on the cluster. To set up Kerberos, we establish a Kerberos Server (KDC) on a separate node and install the Kerberos client on all nodes of the Hadoop cluster as shown in the following figure:

The following figure illustrates the high-level steps involved in installing and configuring Kerberos. It also shows the various Kerberos utilities that are available.

We will use the following realm and domain for the rest of this chapter:

Domain name: mydomain.com

Realm name: MYREALM.COM

Installing the Key Distribution Center

To set up Kerberos, we need to install the Key Distribution Center (KDC) on a secured server.

On RHEL/CentOS/Fedora, to install Kerberos, run the following command with root privileges:

yum install krb5-server krb5-libs krb5-workstation

Detailed instructions...

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Securing Hadoop
Published in: Nov 2013Publisher: PacktISBN-13: 9781783285259
© 2013 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Sudheesh Narayan

Sudheesh Narayanan is a Technology Strategist and Big Data Practitioner with expertise in technology consulting and implementing Big Data solutions. With over 15 years of IT experience in Information Management, Business Intelligence, Big Data & Analytics, and Cloud & J2EE application development, he provided his expertise in architecting, designing, and developing Big Data products, Cloud management platforms, and highly scalable platform services. His expertise in Big Data includes Hadoop and its ecosystem components, NoSQL databases (MongoDB, Cassandra, and HBase), Text Analytics (GATE and OpenNLP), Machine Learning (Mahout, Weka, and R), and Complex Event Processing. Sudheesh is currently working with Genpact as the Assistant Vice President and Chief Architect – Big Data, with focus on driving innovation and building Intellectual Property assets, frameworks, and solutions. Prior to Genpact, he was the co-inventor and Chief Architect of the Infosys BigDataEdge product.
Read more about Sudheesh Narayan

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