This is very simple shell script to install and configure the MIT kerberos on Linux Operating system.

This script has been written in shell script and tested on Centos 7 with minimal/less security configurations.

To setup the MIT kerberos server modify below lines and run the follwoing command.

Note: before run this script,Make sure kdc server and kdc client hosts are able to communicate through FQDN and necessary host entries are updated in /etc/hosts file

KRB_DOMAIN_NAME="TANU.COM"

KDC_PASSWD=kdc123 ADMIN_PASSWD=admin123 KDC_SERVER=krbserver.tanu.com

On KDC server host, run below command

./install_mit_kerberos.sh server

On KDC client host, run below command

./install_mit_kerberos.sh client

On kdc host run below command to create test user principle using root account

kadmin.local -q " addprinc -pw user123 user1"

verify user1 account in kdc client server by running below command

[root@krbcln1 kerberos-setup]# kinit user1 Password for [email protected]:

[root@krbcln1 kerberos-setup]# klist Ticket cache: FILE:/tmp/krb5cc_0 Default principal: [email protected]

Valid starting Expires Service principal 05/12/2018 18:29:00 05/13/2018 04:29:00 krbtgt/[email protected] renew until 05/13/2018 18:28:56