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Hadoop 2.x Administration Cookbook by Gurmukh 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:

Configuring Kerberos server

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). ...

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