Usage: kadmin [-lhv] [--principal=string] [-p string] [--keytab=string] [-K string]
   [--config-file=file] [-c file] [--key-file=file] [-k file] [--realm=realm] [-r realm]
   [--admin-server=host] [-a host] [--server-port=port number] [-s port number] [--ad]
   [--check-library=library] [--check-function=function] [--policy-libraries=function]... [--local]
   [--help] [--version] [command]
-p string, --principal=string             principal to authenticate as
-K string, --keytab=string                keytab for authentication principal
-c file, --config-file=file               location of config file
-k file, --key-file=file                  location of master key file
-r realm, --realm=realm                   realm to use
-a host, --admin-server=host              server to contact
-s port number, --server-port=port number port to use
--ad                                      active directory admin mode
--check-library=library                   library to load password check function from
--check-function=function                 password check function to load
--policy-libraries=function               password check function to load
-l, --local                               local admin mode