Installing and configuring Kerberos client on Linux (JobServer)

This procedure shows how to install and configure the Kerberos client on Linux.

Procedure

Run the yum command yum install krb5-workstation to install the Kerberos client.
All versions of Java from 1.8.0_161 enable the unlimited strength policy files by default, see https://www.oracle.com/technetwork/java/javase/8u161-relnotes-4021379.html for more information. If you are using the previous versions of Java, update the security policies of the JRE to be used, using the patch from Oracle's Java download site.

This update is necessary due to import control restrictions of the U.S. For further information, please consult the README.txt file in the downloaded file.

To make this update, you can simply make a copy of the original JCE policy files (US_export_policy.jar and local_policy.jar in JAVA_HOME/lib/security) for backup and then replace the original JCE policy files with the corresponding policy files contained in the downloaded jce_policy-6.0.zip file.
Configure Kerberos on a local machine by editing the /etc/krbf.conf file.

A sample file can be found in this MIT configuration doc. More information about the parameters can be found in this MIT documentation.

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