Usage: kadmind [-x db_args]* [-r realm] [-m] [-nofork] [-port port-number] [-proponly] [-p path-to-kdb5_util] [-F dump-file] [-K path-to-kprop] [-k kprop-port] [-P pid_file] where, [-x db_args]* - any number of database specific arguments. Look at each database documentation for supported arguments