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.\" Manual: System Administration tools
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.\" Source: Samba 3.4
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.TH "SMBD" "8" "10/29/2009" "Samba 3\&.4" "System Administration tools"
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.TH "SMBD" "8" "01/18/2010" "Samba 3\&.4" "System Administration tools"
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smbd \- server to provide SMB/CIFS services to clients
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\FCsmbd\F[] [\-D] [\-F] [\-S] [\-i] [\-h] [\-V] [\-b] [\-d\ <debug\ level>] [\-l\ <log\ directory>] [\-p\ <port\ number(s)>] [\-P\ <profiling\ level>] [\-O\ <socket\ option>] [\-s\ <configuration\ file>]
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smbd [\-D] [\-F] [\-S] [\-i] [\-h] [\-V] [\-b] [\-d\ <debug\ level>] [\-l\ <log\ directory>] [\-p\ <port\ number(s)>] [\-P\ <profiling\ level>] [\-O\ <socket\ option>] [\-s\ <configuration\ file>]
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This program is part of the
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is the server daemon that provides filesharing and printing services to Windows clients\&. The server provides filespace and printer services to clients using the SMB (or CIFS) protocol\&. This is compatible with the LanManager protocol, and can service LanManager clients\&. These include MSCLIENT 3\&.0 for DOS, Windows for Workgroups, Windows 95/98/ME, Windows NT, Windows 2000, OS/2, DAVE for Macintosh, and smbfs for Linux\&.
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An extensive description of the services that the server can provide is given in the man page for the configuration file controlling the attributes of those services (see
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A session is created whenever a client requests one\&. Each client gets a copy of the server for each session\&. This copy then services all connections made by the client during that session\&. When all connections from its client are closed, the copy of the server for that client terminates\&.
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The configuration file, and any files that it includes, are automatically reloaded every minute, if they change\&. You can force a reload by sending a SIGHUP to the server\&. Reloading the configuration file will not affect connections to any service that is already established\&. Either the user will have to disconnect from the service, or
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killed and restarted\&.
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If specified, this parameter causes the server to operate as a daemon\&. That is, it detaches itself and runs in the background, fielding requests on the appropriate port\&. Operating the server as a daemon is the recommended way of running
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for servers that provide more than casual use file and print services\&. This switch is assumed if
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is executed on the command line of a shell\&.
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If specified, this parameter causes the main
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process to not daemonize, i\&.e\&. double\-fork and disassociate with the terminal\&. Child processes are still created as normal to service each connection request, but the main process does not exit\&. This operation mode is suitable for running
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under process supervisors such as
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from Daniel J\&. Bernstein\'s
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package, or the AIX process monitor\&.
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If specified, this parameter causes
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to log to standard output rather than a file\&.
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If this parameter is specified it causes the server to run "interactively", not as a daemon, even if the server is executed on the command line of a shell\&. Setting this parameter negates the implicit deamon mode when run from the command line\&.
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also logs to standard output, as if the
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parameter had been given\&.
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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\&.
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Note that specifying this parameter here will override the
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\m[blue]\fBlog level\fR\m[]
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\m[blue]\fB\%smb.conf.5.html#\fR\m[]
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Prints the program version number\&.
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\-s <configuration file>
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\-s|\-\-configfile <configuration file>
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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
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for more information\&. The default configuration file name is determined at compile time\&.
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\FC/etc/inetd\&.conf\F[]
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If the server is to be run by the
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meta\-daemon, this file must contain suitable startup information for the meta\-daemon\&.
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or whatever initialization script your system uses)\&.
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If running the server as a daemon at startup, this file will need to contain an appropriate startup sequence for the server\&.
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If running the server via the meta\-daemon
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\FCinetd\F[], this file must contain a mapping of service name (e\&.g\&., netbios\-ssn) to service port (e\&.g\&., 139) and protocol type (e\&.g\&., tcp)\&.
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inetd, this file must contain a mapping of service name (e\&.g\&., netbios\-ssn) to service port (e\&.g\&., 139) and protocol type (e\&.g\&., tcp)\&.
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\FC/usr/local/samba/lib/smb\&.conf\F[]
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/usr/local/samba/lib/smb\&.conf
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This is the default location of the
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\fBsmb.conf\fR(5)
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server configuration file\&. Other common places that systems install this file are
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\FC/usr/samba/lib/smb\&.conf\F[]
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/usr/samba/lib/smb\&.conf
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\FC/etc/samba/smb\&.conf\F[]\&.
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/etc/samba/smb\&.conf\&.
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This file describes all the services the server is to make available to clients\&. See
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\fBsmb.conf\fR(5)
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a SIGHUP will cause it to reload its
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configuration file within a short period of time\&.
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To shut down a user\'s
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process it is recommended that
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be used, except as a last resort, as this may leave the shared memory area in an inconsistent state\&. The safe way to terminate an
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is to send it a SIGTERM (\-15) signal and wait for it to die on its own\&.
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The debug log level of
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may be raised or lowered using
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\fBsmbcontrol\fR(1)
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program (SIGUSR[1|2] signals are no longer used since Samba 2\&.2)\&. This is to allow transient problems to be diagnosed, whilst still running at a normally low log level\&.
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Note that as the signal handlers send a debug write, they are not re\-entrant in
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\FCsmbd\F[]\&. This you should wait until
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smbd\&. This you should wait until
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is in a state of waiting for an incoming SMB before issuing them\&. It is possible to make the signal handlers safe by un\-blocking the signals before the select call and re\-blocking them after, however this would affect performance\&.
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