[Samba] Kerberos ticket maximum renewable lifetime

[Stefan Just]

I would like to set the renewable lifetime to 90 days.
What is the best way to set the Kerberos ticket maximum renewable lifetime.

~# smbd --version
Version 4.12.2-Ubuntu

~# klist
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: administrator at MYDOM

Valid starting     Expires            Service principal
07/02/20 18:08:16  07/03/20 04:08:16  krbtgt/MYDOM at MYDOM
	renew until 07/03/20 18:08:11
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^