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SMBCONTROL(1)			 User Commands			 SMBCONTROL(1)

NAME
       smbcontrol - send messages to smbd, nmbd or winbindd processes

SYNOPSIS
       smbcontrol [-s] [-t|--timeout]

       smbcontrol [destination] [message-type] [parameter]

DESCRIPTION
       This tool is part of the samba(7) suite.

       smbcontrol is a very small program, which sends messages to a smbd(8),
       a nmbd(8), or a winbindd(8) daemon running on the system.

OPTIONS
       -?|--help
	   Print a summary of command line options.

       --usage
	   Display brief usage message.

       -s|--configfile=<configuration file>
	   The file specified contains the configuration details required by
	   the server. The information in this file includes server-specific
	   information such as what printcap file to use, as well as
	   descriptions of all the services that the server is to provide. See
	   smb.conf for more information. The default configuration file name
	   is determined at compile time.

       -d|--debuglevel=level
	   level is an integer from 0 to 10. The default value if this
	   parameter is not specified is 1.

	   The higher this value, the more detail will be logged to the log
	   files about the activities of the server. At level 0, only critical
	   errors and serious warnings will be logged. Level 1 is a reasonable
	   level for day-to-day running - it generates a small amount of
	   information about operations carried out.

	   Levels above 1 will generate considerable amounts of log data, and
	   should only be used when investigating a problem. Levels above 3
	   are designed for use only by developers and generate HUGE amounts
	   of log data, most of which is extremely cryptic.

	   Note that specifying this parameter here will override the log
	   level parameter in the smb.conf file.

       -V|--version
	   Prints the program version number.

       -s|--configfile=<configuration file>
	   The file specified contains the configuration details required by
	   the server. The information in this file includes server-specific
	   information such as what printcap file to use, as well as
	   descriptions of all the services that the server is to provide. See
	   smb.conf for more information. The default configuration file name
	   is determined at compile time.

       -l|--log-basename=logdirectory
	   Base directory name for log/debug files. The extension ".progname"
	   will be appended (e.g. log.smbclient, log.smbd, etc...). The log
	   file is never removed by the client.

       --option=<name>=<value>
	   Set the smb.conf(5) option "<name>" to value "<value>" from the
	   command line. This overrides compiled-in defaults and options read
	   from the configuration file.

       -t|--timeout
	   Set timeout to seconds.

       destination
	   One of nmbd, smbd or a process ID.

	   The all destination causes the message to "broadcast" to all
	   running daemons including nmbd and winbind. This is a change for
	   Samba 3.3, prior to this the parameter smbd used to do this.

	   The smbd destination causes the message to be sent to the smbd
	   daemon specified in the smbd.pid file.

	   The nmbd destination causes the message to be sent to the nmbd
	   daemon specified in the nmbd.pid file.

	   The winbindd destination causes the message to be sent to the
	   winbind daemon specified in the winbindd.pid file.

	   If a single process ID is given, the message is sent to only that
	   process.

       message-type
	   Type of message to send. See the section MESSAGE-TYPES for details.

       parameters
	   any parameters required for the message-type

MESSAGE-TYPES
       Available message types are:

       close-share
	   Order smbd to close the client connections to the named share. Note
	   that this doesn't affect client connections to any other shares.
	   This message-type takes an argument of the share name for which
	   client connections will be closed, or the "*" character which will
	   close all currently open shares. This may be useful if you made
	   changes to the access controls on the share. This message can only
	   be sent to smbd.

       debug
	   Set debug level to the value specified by the parameter. This can
	   be sent to any of the destinations. If this message is sent to
	   either the smbd or winbindd daemons, the parent process will
	   rebroadcast the message to all child processes changing the debug
	   level in each one.

       force-election
	   This message causes the nmbd daemon to force a new browse master
	   election.

       ping
	   Send specified number of "ping" messages and wait for the same
	   number of reply "pong" messages. This can be sent to any of the
	   destinations.

       profile
	   Change profile settings of a daemon, based on the parameter. The
	   parameter can be "on" to turn on profile stats collection, "off" to
	   turn off profile stats collection, "count" to enable only
	   collection of count stats (time stats are disabled), and "flush" to
	   zero the current profile stats. This can be sent to any smbd or
	   nmbd destinations.

       debuglevel
	   Request debuglevel of a certain daemon and write it to stdout. This
	   can be sent to any of the destinations.

       profilelevel
	   Request profilelevel of a certain daemon and write it to stdout.
	   This can be sent to any smbd or nmbd destinations.

       printnotify
	   Order smbd to send a printer notify message to any Windows NT
	   clients connected to a printer. This message-type takes the
	   following arguments:

	   queuepause printername
	       Send a queue pause change notify message to the printer
	       specified.

	   queueresume printername
	       Send a queue resume change notify message for the printer
	       specified.

	   jobpause printername unixjobid
	       Send a job pause change notify message for the printer and unix
	       jobid specified.

	   jobresume printername unixjobid
	       Send a job resume change notify message for the printer and
	       unix jobid specified.

	   jobdelete printername unixjobid
	       Send a job delete change notify message for the printer and
	       unix jobid specified.

	   Note that this message only sends notification that an event has
	   occurred. It doesn't actually cause the event to happen.

	   This message can only be sent to smbd.

       dmalloc-mark
	   Set a mark for dmalloc. Can be sent to both smbd and nmbd. Only
	   available if samba is built with dmalloc support.

       dmalloc-log-changed
	   Dump the pointers that have changed since the mark set by
	   dmalloc-mark. Can be sent to both smbd and nmbd. Only available if
	   samba is built with dmalloc support.

       shutdown
	   Shut down specified daemon. Can be sent to both smbd and nmbd.

       pool-usage
	   Print a human-readable description of all talloc(pool) memory usage
	   by the specified daemon/process. Available for both smbd and nmbd.

       drvupgrade
	   Force clients of printers using specified driver to update their
	   local version of the driver. Can only be sent to smbd.

       reload-config
	   Force daemon to reload smb.conf configuration file. Can be sent to
	   smbd, nmbd, or winbindd.

       reload-printers
	   Force smbd to reload printers. Can only be sent to smbd.

       idmap
	   Notify about changes of id mapping. Can be sent to smbd or (not
	   implemented yet) winbindd.

	   flush [uid|gid]
	       Flush caches for sid <-> gid and/or sid <-> uid mapping.

	   delete <ID>
	       Remove a mapping from cache. The mapping is given by <ID> which
	       may either be a sid: S-x-..., a gid: "GID number" or a uid:
	       "UID number".

	   kill <ID>
	       Remove a mapping from cache. Terminate smbd if the id is
	       currently in use.

VERSION
       This man page is correct for version 3 of the Samba suite.

SEE ALSO
       nmbd(8) and smbd(8).

AUTHOR
       The original Samba software and related utilities were created by
       Andrew Tridgell. Samba is now developed by the Samba Team as an Open
       Source project similar to the way the Linux kernel is developed.

       The original Samba man pages were written by Karl Auer. The man page
       sources were converted to YODL format (another excellent piece of Open
       Source software, available at ftp://ftp.icce.rug.nl/pub/unix/) and
       updated for the Samba 2.0 release by Jeremy Allison. The conversion to
       DocBook for Samba 2.2 was done by Gerald Carter. The conversion to
       DocBook XML 4.2 for Samba 3.0 was done by Alexander Bokovoy.

Samba 4.0			  04/04/2014			 SMBCONTROL(1)
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