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Overview

In the following example:

• The default domain and realm are S2.LOCAL

• The Key Distribution Center (KDC) server is on 10.1.0.5

• The Kerberos admin server is on 10.1.0.5

Install Kerberos Tools and Obtain a Ticket

1. Install the krb5-user tools.

   Red Hat

   Shell

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   sudo yum install krb5-user

   Debian

   Shell

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   sudo apt install krb5-user

2. Enter the domain that will be connected to the default Kerberos realm.

   

3. Enter the Kerberos authentication server.

   

4. Enter the administrative server.

   

5. The [realms] section in the /etc/krb5.conf file on this host will now resemble the following.

   YAML

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   [realms]
       	S2.LOCAL = {
       	kdc = 10.1.0.5
              	admin_server = 10.1.0.5
              	default_domain = s2.local
       	}

6. Obtain a ticket for a user that exists in the cluster.

   Shell

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   kinit user1@S2.LOCAL

   Password for user1@S2.LOCAL:

   Shell

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   klist

   Ticket cache: FILE:/tmp/krb5cc_1000
   Default principal: user1@S2.LOCAL
    
   Valid starting 	Expires        	Service principal
   09/28/22 10:46:12  09/28/22 20:46:12  krbtgt/S2.LOCAL@S2.LOCAL
       	renew until 09/29/22 10:46:08

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