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           krb5kdc  [  -x db_args ] [ -d dbname ] [ -k keytype ] [ -M mkeyname ] [
           -p portnum ] [ -m ] [ -r realm ] [ -n ] [ -w numworkers ] [ -P pid_file


           krb5kdc  is  the Kerberos version 5 Authentication Service and Key Dis-
           tribution Center (AS/KDC).
           The -x db_args option specifies the database specific arguments.
           Options supported for LDAP database are:
                   -x nconns=<number_of_connections>
                   specifies the number of connections to be maintained  per  LDAP
                   -x host=<ldapuri>
                   specifies the LDAP server to connect to by a LDAP URI.
                   -x binddn=<binddn>
                   specifies  the  DN of the object used by the KDC server to bind
                   to the LDAP server.  This object should have the rights to read
                   the  realm  container, principal container and the subtree that
                   is referenced by the realm.
                   -x bindpwd=<bind_password>
                   specifies the password for the above mentioned  binddn.  It  is
                   recommended  not to use this option.  Instead, the password can
                   be stashed using the stashsrvpw command of kdb5_ldap_util.
           The -r realm option specifies the realm for  which  the  server  should
           provide     service;    by    default    the    realm    returned    by
           krb5_default_local_realm(3) is used.
           The -d dbname option specifies  the  name  under  which  the  principal
           database  can be found; by default the database is in DEFAULT_DBM_FILE.
           This option does not apply to the LDAP database.
           The -k keytype option specifies the key type of the master  key  to  be
           entered  manually  as  a  password  when  -m  is  given; the default is
           The -M mkeyname option specifies the principal name for the master  key
           in  the  database; the default is KRB5_KDB_M_NAME (usually "K/M" in the
           KDC's realm).
           The -p portnum option specifies the default UDP port number  which  the
           KDC  should  listen  on for Kerberos version 5 requests.  This value is
           used when no port is specified in the KDC profile and when no  port  is
           specified  in  the  Kerberos configuration file.  If no value is avail-
           able, then the value in /etc/services for service "kerberos" is used.
           worker subprocess if the it is itself terminated or if any other worker
           process exits.  NOTE: on operating systems which do  not  have  pktinfo
           support, using worker processes will prevent the KDC from listening for
           UDP packets on network interfaces created after the KDC starts.
           The -P pid_file option tells the KDC to write its PID  (followed  by  a
           newline)  into  pid_file after it starts up.  This can be used to iden-
           tify whether the KDC is still running and to allow init scripts to stop
           the correct process.
           The  KDC  may service requests for multiple realms (maximum 32 realms).
           The realms are listed on the command line.  Per-realm options that  can
           be specified on the command line pertain for each realm that follows it
           and are superseded by subsequent definitions of the same  option.   For
           krb5kdc -p 2001 -r REALM1 -p 2002 -r REALM2 -r REALM3
           specifies  that the KDC listen on port 2001 for REALM1 and on port 2002
           for REALM2 and REALM3.  Additionally, per-realm parameters may be spec-
           ified in the kdc.conf file.  The location of this file may be specified
           by the KRB5_KDC_PROFILE environment variable.  Parameters specified  in
           this  file  take precedence over options specified on the command line.
           See the kdc.conf(5) description for further details.


           krb5(3), kdb5_util(8), kdc.conf(5), kdb5_ldap_util(8)


           It should fork and go into the background when it finishes reading  the
           master password from the terminal.

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