nmbd man page on JazzOS

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NMBD(8)								       NMBD(8)

       nmbd  -	NetBIOS name server to provide NetBIOS over IP naming services
       to clients

       nmbd [-D] [-F] [-S] [-a] [-i] [-o] [-h] [-V] [-d <debug level>]
	    [-H <lmhosts file>] [-l <log directory>] [-p <port number>]
	    [-s <configuration file>]

       This program is part of the samba(7) suite.

       nmbd is a server that understands and can reply to NetBIOS over IP name
       service	requests, like those produced by SMB/CIFS clients such as Win‐
       dows 95/98/ME, Windows NT, Windows  2000,  Windows  XP  and  LanManager
       clients.	 It  also participates in the browsing protocols which make up
       the Windows "Network Neighborhood" view.

       SMB/CIFS clients, when they start up, may wish to  locate  an  SMB/CIFS
       server.	That  is, they wish to know what IP number a specified host is

       Amongst other services, nmbd will listen for such requests, and if  its
       own NetBIOS name is specified it will respond with the IP number of the
       host it is running on. Its "own NetBIOS name" is by default the primary
       DNS  name  of  the host it is running on, but this can be overridden by
       the netbios name in smb.conf. Thus nmbd will reply to broadcast queries
       for its own name(s). Additional names for nmbd to respond on can be set
       via parameters in the smb.conf(5) configuration file.

       nmbd can also be used as a WINS (Windows Internet Name Server)  server.
       What  this basically means is that it will act as a WINS database serv‐
       er, creating a database from name registration  requests	 that  it  re‐
       ceives and replying to queries from clients for these names.

       In  addition,  nmbd can act as a WINS proxy, relaying broadcast queries
       from clients that do not understand how to talk the WINS protocol to  a
       WINS server.

       -D     If  specified, this parameter causesnmbd to operate as a daemon.
	      That is, it detaches itself and runs in the background, fielding
	      requests	on the appropriate port. By default, nmbd will operate
	      as a daemon if launched from a command shell. nmbd can  also  be
	      operated from the inetd meta-daemon, although this is not recom‐

       -F     If specified, this parameter causes the main nmbd process to not
	      daemonize,  i.e. double-fork and disassociate with the terminal.
	      Child processes are still created as normal to service each con‐
	      nection request, but the main process does not exit. This opera‐
	      tion mode is suitable for runningnmbd under process  supervisors
	      such  as supervise and svscan from Daniel J. Bernstein's daemon‐
	      tools package, or the AIX process monitor.

       -S     If specified, this parameter causesnmbd to log to standard  out‐
	      put rather than a file.

       -i     If  this parameter is specified it causes the server to run "in‐
	      teractively", not as a daemon, even if the server is executed on
	      the  command line of a shell. Setting this parameter negates the
	      implicit daemon mode when run from the command line.  nmbd  also
	      logs to standard output, as if the -S parameter had been given.

	      Print a summary of command line options.

       -H <filename>
	      NetBIOS  lmhosts	file.  The  lmhosts  file is a list of NetBIOS
	      names to IP addresses that is loaded by the nmbd server and used
	      via  the	name resolution mechanism name resolve order described
	      in smb.conf(5) to resolve any NetBIOS name queries needed by the
	      server. Note that the contents of this file are NOT used by nmbd
	      to answer any name queries. Adding a line to this	 file  affects
	      name NetBIOS resolution from this host ONLY.

	      The  default path to this file is compiled into Samba as part of
	      the  build  process.   Common   defaults	 are   /usr/local/sam‐
	      ba/lib/lmhosts,/usr/samba/lib/lmhosts  or/etc/samba/lmhosts. See
	      the lmhosts(5) man page for details  on  the  contents  of  this

       -V     Prints the program version number.

       -s <configuration file>
	      The  file	 specified contains the configuration details required
	      by the server. The information in this file includes server-spe‐
	      cific  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.

	      debuglevel is an integer from 0 to 10. The default value if this
	      parameter is not specified is zero.

	      The higher this value, the more detail will be logged to the log
	      files about the activities of the server. At level 0, only crit‐
	      ical  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   pa‐
	      rameter in the smb.conf file.

	      Base  directory  name for log/debug files. The extension ".prog‐
	      name" will be appended (e.g. log.smbclient,  log.smbd,  etc...).
	      The log file is never removed by the client.

       -p <UDP port number>
	      UDP port number is a positive integer value. This option changes
	      the default UDP port number (normally 137) that nmbd responds to
	      name queries on. Don't use this option unless you are an expert,
	      in which case you won't need help!

	      If the server is to be run by theinetd  meta-daemon,  this  file
	      must contain suitable startup information for the meta-daemon.

	      or whatever initialization script your system uses).

	      If  running  the	server	as a daemon at startup, this file will
	      need to contain an appropriate startup sequence for the server.

	      If running the server via the meta-daemon 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).

	      This is the default location of the smb.conf(5) server  configu‐
	      ration  file. Other common places that systems install this file
	      are /usr/samba/lib/smb.conf and /etc/samba/smb.conf.

	      When run as a WINS server (see thewins support parameter in  the
	      smb.conf(5)  man	page),nmbd will store the WINS database in the
	      file wins.dat in the var/locks directory configured under	 wher‐
	      ever Samba was configured to install itself.

	      If  nmbd is acting as a  browse master (see the local master pa‐
	      rameter in the smb.conf(5) man page, nmbd will store the	brows‐
	      ing  database in the file browse.dat  in the var/locks directory
	      configured under wherever Samba was configured  to  install  it‐

       To shut down an nmbd process it is recommended that SIGKILL (-9) NOT be
       used, except as a last resort, as this may leave the name  database  in
       an  inconsistent state. The correct way to terminate nmbd is to send it
       a SIGTERM (-15) signal and wait for it to die on its own.

       nmbd will accept SIGHUP, which will cause it to dump out its  namelists
       into  the file namelist.debug  in the /usr/local/samba/var/locks direc‐
       tory (or the var/locks directory configured under  wherever  Samba  was
       configured  to  install	itself). This will also cause nmbd to dump out
       its server database in the log.nmb file.

       The debug log level of nmbd may be  raised  or  lowered	using  smbcon‐
       trol(1)	(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.

       This man page is correct for version 3.0 of the Samba suite.

       inetd(8), smbd(8), smb.conf(5), smbclient(1), testparm(1), testprns(1),
       and the Internet RFC's rfc1001.txt, rfc1002.txt. In addition  the  CIFS
       (formerly  SMB)	specification is available as a link from the Web page

       The original Samba software and related utilities were created  by  An‐
       drew  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  up‐
       dated  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 Doc‐
       Book XML 4.2 for Samba 3.0 was done by Alexander Bokovoy.


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