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+<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>nmbd</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.68.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="nmbd.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>nmbd — NetBIOS name server to provide NetBIOS
+ over IP naming services to clients</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">nmbd</code> [-D] [-F] [-S] [-a] [-i] [-o] [-h] [-V] [-d <debug level>] [-H <lmhosts file>] [-l <log directory>] [-p <port number>] [-s <configuration file>]</p></div></div><div class="refsect1" lang="en"><a name="id2450643"></a><h2>DESCRIPTION</h2><p>This program is part of the <a href="samba.7.html"><span class="citerefentry"><span class="refentrytitle">samba</span>(7)</span></a> suite.</p><p><span><strong class="command">nmbd</strong></span> is a server that understands
+ and can reply to NetBIOS over IP name service requests, like
+ those produced by SMB/CIFS clients such as Windows 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.</p><p>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 using.</p><p>Amongst other services, <span><strong class="command">nmbd</strong></span> 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 <a class="indexterm" name="id2450692"></a>netbios name
+ in <code class="filename">smb.conf</code>. Thus <span><strong class="command">nmbd</strong></span> will
+ reply to broadcast queries for its own name(s). Additional
+ names for <span><strong class="command">nmbd</strong></span> to respond on can be set
+ via parameters in the <a href="smb.conf.5.html"><span class="citerefentry"><span class="refentrytitle">smb.conf</span>(5)</span></a> configuration file.</p><p><span><strong class="command">nmbd</strong></span> 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 server, creating a
+ database from name registration requests that it receives and
+ replying to queries from clients for these names.</p><p>In addition, <span><strong class="command">nmbd</strong></span> 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.</p></div><div class="refsect1" lang="en"><a name="id2450754"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">-D</span></dt><dd><p>If specified, this parameter causes
+ <span><strong class="command">nmbd</strong></span> to operate as a daemon. That is,
+ it detaches itself and runs in the background, fielding
+ requests on the appropriate port. By default, <span><strong class="command">nmbd</strong></span>
+ will operate as a daemon if launched from a command shell.
+ nmbd can also be operated from the <span><strong class="command">inetd</strong></span>
+ meta-daemon, although this is not recommended.
+ </p></dd><dt><span class="term">-F</span></dt><dd><p>If specified, this parameter causes
+ the main <span><strong class="command">nmbd</strong></span> 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
+ <span><strong class="command">nmbd</strong></span> under process supervisors such
+ as <span><strong class="command">supervise</strong></span> and <span><strong class="command">svscan</strong></span>
+ from Daniel J. Bernstein's <span><strong class="command">daemontools</strong></span>
+ package, or the AIX process monitor.
+ </p></dd><dt><span class="term">-S</span></dt><dd><p>If specified, this parameter causes
+ <span><strong class="command">nmbd</strong></span> to log to standard output rather
+ than a file.</p></dd><dt><span class="term">-i</span></dt><dd><p>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 daemon mode when run from the
+ command line. <span><strong class="command">nmbd</strong></span> also logs to standard
+ output, as if the <code class="constant">-S</code> parameter had been
+ given. </p></dd><dt><span class="term">-h|--help</span></dt><dd><p>Print a summary of command line options.
+</p></dd><dt><span class="term">-H <filename></span></dt><dd><p>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 <a class="indexterm" name="id2450977"></a>name resolve order described in <a href="smb.conf.5.html"><span class="citerefentry"><span class="refentrytitle">smb.conf</span>(5)</span></a> to resolve any
+ NetBIOS name queries needed by the server. Note
+ that the contents of this file are <span class="emphasis"><em>NOT</em></span>
+ used by <span><strong class="command">nmbd</strong></span> to answer any name queries.
+ Adding a line to this file affects name NetBIOS resolution
+ from this host <span class="emphasis"><em>ONLY</em></span>.</p><p>The default path to this file is compiled into
+ Samba as part of the build process. Common defaults
+ are <code class="filename">/usr/local/samba/lib/lmhosts</code>,
+ <code class="filename">/usr/samba/lib/lmhosts</code> or
+ <code class="filename">/etc/samba/lmhosts</code>. See the <a href="lmhosts.5.html"><span class="citerefentry"><span class="refentrytitle">lmhosts</span>(5)</span></a> man page for details on the contents of this file.</p></dd><dt><span class="term">-V</span></dt><dd><p>Prints the program version number.
+</p></dd><dt><span class="term">-s <configuration file></span></dt><dd><p>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 <code class="filename">smb.conf</code> for more information.
+The default configuration file name is determined at
+compile time.</p></dd><dt><span class="term">-d|--debuglevel=level</span></dt><dd><p><em class="replaceable"><code>level</code></em> is an integer
+from 0 to 10. The default value if this parameter is
+not specified is zero.</p><p>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.</p><p>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.</p><p>Note that specifying this parameter here will
+override the <a class="indexterm" name="id2451111"></a> parameter
+in the <code class="filename">smb.conf</code> file.</p></dd><dt><span class="term">-l|--logfile=logdirectory</span></dt><dd><p>Base directory name for log/debug files. The extension
+<code class="constant">".progname"</code> will be appended (e.g. log.smbclient,
+log.smbd, etc...). The log file is never removed by the client.
+</p></dd><dt><span class="term">-p <UDP port number></span></dt><dd><p>UDP port number is a positive integer value.
+ This option changes the default UDP port number (normally 137)
+ that <span><strong class="command">nmbd</strong></span> responds to name queries on. Don't
+ use this option unless you are an expert, in which case you
+ won't need help!</p></dd></dl></div></div><div class="refsect1" lang="en"><a name="id2451383"></a><h2>FILES</h2><div class="variablelist"><dl><dt><span class="term"><code class="filename">/etc/inetd.conf</code></span></dt><dd><p>If the server is to be run by the
+ <span><strong class="command">inetd</strong></span> meta-daemon, this file
+ must contain suitable startup information for the
+ meta-daemon.
+ </p></dd><dt><span class="term"><code class="filename">/etc/rc</code></span></dt><dd><p>or whatever initialization script your
+ system uses).</p><p>If running the server as a daemon at startup,
+ this file will need to contain an appropriate startup
+ sequence for the server.</p></dd><dt><span class="term"><code class="filename">/etc/services</code></span></dt><dd><p>If running the server via the
+ meta-daemon <span><strong class="command">inetd</strong></span>, 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).
+ </p></dd><dt><span class="term"><code class="filename">/usr/local/samba/lib/smb.conf</code></span></dt><dd><p>This is the default location of
+ the <a href="smb.conf.5.html"><span class="citerefentry"><span class="refentrytitle">smb.conf</span>(5)</span></a> server
+ configuration file. Other common places that systems
+ install this file are <code class="filename">/usr/samba/lib/smb.conf</code>
+ and <code class="filename">/etc/samba/smb.conf</code>.</p><p>When run as a WINS server (see the
+ <a class="indexterm" name="id2451495"></a>wins support
+ parameter in the <a href="smb.conf.5.html"><span class="citerefentry"><span class="refentrytitle">smb.conf</span>(5)</span></a> man page),
+ <span><strong class="command">nmbd</strong></span>
+ will store the WINS database in the file <code class="filename">wins.dat</code>
+ in the <code class="filename">var/locks</code> directory configured under
+ wherever Samba was configured to install itself.</p><p>If <span><strong class="command">nmbd</strong></span> is acting as a <span class="emphasis"><em>
+ browse master</em></span> (see the <a class="indexterm" name="id2451544"></a>local master
+ parameter in the <a href="smb.conf.5.html"><span class="citerefentry"><span class="refentrytitle">smb.conf</span>(5)</span></a> man page, <span><strong class="command">nmbd</strong></span>
+ will store the browsing database in the file <code class="filename">browse.dat
+ </code> in the <code class="filename">var/locks</code> directory
+ configured under wherever Samba was configured to install itself.
+ </p></dd></dl></div></div><div class="refsect1" lang="en"><a name="id2451584"></a><h2>SIGNALS</h2><p>To shut down an <span><strong class="command">nmbd</strong></span> process it is recommended
+ that SIGKILL (-9) <span class="emphasis"><em>NOT</em></span> be used, except as a last
+ resort, as this may leave the name database in an inconsistent state.
+ The correct way to terminate <span><strong class="command">nmbd</strong></span> is to send it
+ a SIGTERM (-15) signal and wait for it to die on its own.</p><p><span><strong class="command">nmbd</strong></span> will accept SIGHUP, which will cause
+ it to dump out its namelists into the file <code class="filename">namelist.debug
+ </code> in the <code class="filename">/usr/local/samba/var/locks</code>
+ directory (or the <code class="filename">var/locks</code> directory configured
+ under wherever Samba was configured to install itself). This will also
+ cause <span><strong class="command">nmbd</strong></span> to dump out its server database in
+ the <code class="filename">log.nmb</code> file.</p><p>The debug log level of nmbd may be raised or lowered
+ using <a href="smbcontrol.1.html"><span class="citerefentry"><span class="refentrytitle">smbcontrol</span>(1)</span></a> (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.</p></div><div class="refsect1" lang="en"><a name="id2451671"></a><h2>VERSION</h2><p>This man page is correct for version 3.0 of
+ the Samba suite.</p></div><div class="refsect1" lang="en"><a name="id2451682"></a><h2>SEE ALSO</h2><p>
+ <a href="inetd.8.html"><span class="citerefentry"><span class="refentrytitle">inetd</span>(8)</span></a>, <a href="smbd.8.html"><span class="citerefentry"><span class="refentrytitle">smbd</span>(8)</span></a>, <a href="smb.conf.5.html"><span class="citerefentry"><span class="refentrytitle">smb.conf</span>(5)</span></a>, <a href="smbclient.1.html"><span class="citerefentry"><span class="refentrytitle">smbclient</span>(1)</span></a>, <a href="testparm.1.html"><span class="citerefentry"><span class="refentrytitle">testparm</span>(1)</span></a>, <a href="testprns.1.html"><span class="citerefentry"><span class="refentrytitle">testprns</span>(1)</span></a>, and the Internet
+ RFC's <code class="filename">rfc1001.txt</code>, <code class="filename">rfc1002.txt</code>.
+ In addition the CIFS (formerly SMB) specification is available
+ as a link from the Web page <a href="http://samba.org/cifs/" target="_top">
+ http://samba.org/cifs/</a>.</p></div><div class="refsect1" lang="en"><a name="id2451761"></a><h2>AUTHOR</h2><p>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.</p><p>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 <a href="ftp://ftp.icce.rug.nl/pub/unix/" target="_top">
+ ftp://ftp.icce.rug.nl/pub/unix/</a>) 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.</p></div></div></body></html>
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