1krb5 query realms ATHENA.MIT.EDU kdc 2krb5 query1 realms ATHENA.MIT.EDU kdc 3krb5 query libdefaults ticket_lifetime 4krb5 query1 libdefaults ticket_lifetime 5krb5 query libdefaults not_present 6krb5 query1 libdefaults not_present 7krb5 list_sections libdefaults 8krb5 list_sections realms 9krb5 list_relations libdefaults 10krb5 list_relations realms 11krb5 list_relations realms ATHENA.MIT.EDU 12