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KADMIND(8) MIT Kerberos KADMIND(8)
kadmind - KADM5 administration server
kadmind [-x db_args] [-r realm] [-m] [-nofork] [-proponly] [-port
port-number] [-P pid_file] [-p kdb5_util_path] [-K kprop_path] [-k
kprop_port] [-F dump_file]
kadmind starts the Kerberos administration server. kadmind typically
runs on the master Kerberos server, which stores the KDC database. If
the KDC database uses the LDAP module, the administration server and
the KDC server need not run on the same machine. kadmind accepts
remote requests from programs such as kadmin(1) and kpasswd(1) to
administer the information in these database.
kadmind requires a number of configuration files to be set up in order
for it to work:
The KDC configuration file contains configuration information
for the KDC and admin servers. kadmind uses settings in this
file to locate the Kerberos database, and is also affected by
the acl_file, dict_file, kadmind_port, and iprop-related
kadmind's ACL (access control list) tells it which principals
are allowed to perform administration actions. The pathname to
the ACL file can be specified with the acl_file kdc.conf(5)
variable; by default, it is /usr/local/var/krb5kdc/kadm5.acl.
After the server begins running, it puts itself in the background and
disassociates itself from its controlling terminal.
kadmind can be configured for incremental database propagation.
Incremental propagation allows replica KDC servers to receive principal
and policy updates incrementally instead of receiving full dumps of the
database. This facility can be enabled in the kdc.conf(5) file with
the iprop_enable option. Incremental propagation requires the
principal kiprop/MASTER\@REALM (where MASTER is the master KDC's
canonical host name, and REALM the realm name). In release 1.13, this
principal is automatically created and registered into the datebase.
specifies the realm that kadmind will serve; if it is not
specified, the default realm of the host is used.
-m causes the master database password to be fetched from the
keyboard (before the server puts itself in the background, if
not invoked with the -nofork option) rather than from a file on
causes the server to remain in the foreground and remain
associated to the terminal.
causes the server to only listen and respond to Kerberos replica
incremental propagation polling requests. This option can be
used to set up a hierarchical propagation topology where a
replica KDC provides incremental updates to other Kerberos
specifies the port on which the administration server listens
for connections. The default port is determined by the
kadmind_port configuration variable in kdc.conf(5).
specifies the file to which the PID of kadmind process should be
written after it starts up. This file can be used to identify
whether kadmind is still running and to allow init scripts to
stop the correct process.
specifies the path to the kdb5_util command to use when dumping
the KDB in response to full resync requests when iprop is
specifies the path to the kprop command to use to send full
dumps to replicas in response to full resync requests.
specifies the port by which the kprop process that is spawned by
kadmind connects to the replica kpropd, in order to transfer the
dump file during an iprop full resync request.
specifies the file path to be used for dumping the KDB in
response to full resync requests when iprop is enabled.
specifies database-specific arguments. See Database Options in
kadmin(1) for supported arguments.
See kerberos(7) for a description of Kerberos environment variables.
kpasswd(1), kadmin(1), kdb5_util(8), kdb5_ldap_util(8), kadm5.acl(5),