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SMBCONTROL(1) User Commands SMBCONTROL(1)

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

SYNOPSIS
smbcontrol [-i] [-s]

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
-h|--help
Print a summary of command line options.

-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.

-i
Run interactively. Individual commands of the form destination message-type parameters can be entered on STDIN. An
empty command line or a "q" will quit the program.

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 occured. It doesn't actually cause the event to
happen.

This message can only be sent to smbd.

samsync
Order smbd to synchronise sam database from PDC (being BDC). Can only be sent to smbd.

Note
Not working at the moment

samrepl
Send sam replication message, with specified serial. Can only be sent to smbd. Should not be used manually.

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.

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