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author | Jelmer Vernooij <jelmer@samba.org> | 2003-09-23 21:15:41 +0000 |
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committer | Jelmer Vernooij <jelmer@samba.org> | 2003-09-23 21:15:41 +0000 |
commit | b222defc2743d7003f3eaa95864e93cbe5bbea66 (patch) | |
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diff --git a/docs/htmldocs/problems.html b/docs/htmldocs/problems.html deleted file mode 100644 index 24ddc7c02c..0000000000 --- a/docs/htmldocs/problems.html +++ /dev/null @@ -1,138 +0,0 @@ -<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 34. Analysing and solving samba problems</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.60.1"><link rel="home" href="samba-doc.html" title="SAMBA Project Documentation"><link rel="up" href="troubleshooting.html" title="Part V. Troubleshooting"><link rel="previous" href="diagnosis.html" title="Chapter 33. The Samba checklist"><link rel="next" href="bugreport.html" title="Chapter 35. Reporting Bugs"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 34. Analysing and solving samba problems</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="diagnosis.html">Prev</a> </td><th width="60%" align="center">Part V. Troubleshooting</th><td width="20%" align="right"> <a accesskey="n" href="bugreport.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="problems"></a>Chapter 34. Analysing and solving samba problems</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Gerald</span> <span class="othername">(Jerry)</span> <span class="surname">Carter</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><tt class="email"><<a href="mailto:jerry@samba.org">jerry@samba.org</a>></tt></p></div></div></div></div><div><div class="author"><h3 class="author"><span class="firstname">Jelmer</span> <span class="othername">R.</span> <span class="surname">Vernooij</span></h3><div class="affiliation"><span class="orgname">The Samba Team<br></span><div class="address"><p><tt class="email"><<a href="mailto:jelmer@samba.org">jelmer@samba.org</a>></tt></p></div></div></div></div><div><div class="author"><h3 class="author"><span class="firstname">David</span> <span class="surname">Bannon</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><tt class="email"><<a href="mailto:dbannon@samba.org">dbannon@samba.org</a>></tt></p></div></div></div></div><div><p class="pubdate">8 Apr 2003</p></div></div><div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><a href="problems.html#id2959747">Diagnostics tools</a></dt><dd><dl><dt><a href="problems.html#id2959768">Debugging with Samba itself</a></dt><dt><a href="problems.html#id2959894">Tcpdump</a></dt><dt><a href="problems.html#id2959915">Ethereal</a></dt><dt><a href="problems.html#id2959968">The Windows Network Monitor</a></dt></dl></dd><dt><a href="problems.html#id2960285">Useful URLs</a></dt><dt><a href="problems.html#id2960326">Getting help from the mailing lists</a></dt><dt><a href="problems.html#id2960484">How to get off the mailing lists</a></dt></dl></div><p> -There are many sources of information available in the form -of mailing lists, RFC's and documentation. The docs that come -with the samba distribution contain very good explanations of -general SMB topics such as browsing.</p><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2959747"></a>Diagnostics tools</h2></div></div><div></div></div><p>With SMB networking, it is often not immediately clear what -the cause is of a certain problem. Samba itself provides rather -useful information, but in some cases you might have to fall back -to using a <span class="emphasis"><em>sniffer</em></span>. A sniffer is a program that -listens on your LAN, analyses the data sent on it and displays it -on the screen.</p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2959768"></a>Debugging with Samba itself</h3></div></div><div></div></div><p> -One of the best diagnostic tools for debugging problems is Samba itself. -You can use the <tt class="option">-d option</tt> for both <span class="application">smbd</span> and <span class="application">nmbd</span> to specify what -<a class="indexterm" name="id2959799"></a><i class="parameter"><tt>debug level</tt></i> at which to run. See the man pages on smbd, nmbd and -smb.conf for more information on debugging options. The debug -level can range from 1 (the default) to 10 (100 for debugging passwords). -</p><p> -Another helpful method of debugging is to compile samba using the -<b class="userinput"><tt>gcc -g </tt></b> flag. This will include debug -information in the binaries and allow you to attach gdb to the -running smbd / nmbd process. In order to attach gdb to an smbd -process for an NT workstation, first get the workstation to make the -connection. Pressing ctrl-alt-delete and going down to the domain box -is sufficient (at least, on the first time you join the domain) to -generate a 'LsaEnumTrustedDomains'. Thereafter, the workstation -maintains an open connection, and therefore there will be an smbd -process running (assuming that you haven't set a really short smbd -idle timeout) So, in between pressing ctrl alt delete, and actually -typing in your password, you can attach gdb and continue. -</p><p> -Some useful samba commands worth investigating: -</p><pre class="screen"> -<tt class="prompt">$ </tt><b class="userinput"><tt>testparm | more</tt></b> -<tt class="prompt">$ </tt><b class="userinput"><tt>smbclient -L //{netbios name of server}</tt></b> -</pre></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2959894"></a>Tcpdump</h3></div></div><div></div></div><p><a href="http://www.tcpdump.org/" target="_top">Tcpdump</a> was the first -unix sniffer with SMB support. It is a command-line utility and -nowadays, it's SMB support is somewhat less then that of ethereal -and tethereal.</p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2959915"></a>Ethereal</h3></div></div><div></div></div><p> -<a href="http://www.ethereal.com/" target="_top">Ethereal</a> is a graphical -sniffer, available for both unix (Gtk) and Windows. Ethereal's -SMB support is very good.</p><p>For details on the use of ethereal, read the well-written -ethereal User Guide.</p><p> -Listen for data on ports 137, 138, 139 and 445. E.g. -use the filter <b class="userinput"><tt>port 137 or port 138 or port 139 or port 445</tt></b>.</p><p>A console version of ethereal is available as well and is called -<b class="command">tethereal</b>.</p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2959968"></a>The Windows Network Monitor</h3></div></div><div></div></div><p> -For tracing things on the Microsoft Windows NT, Network Monitor -(aka. netmon) is available on the Microsoft Developer Network CD's, -the Windows NT Server install CD and the SMS CD's. The version of -netmon that ships with SMS allows for dumping packets between any two -computers (i.e. placing the network interface in promiscuous mode). -The version on the NT Server install CD will only allow monitoring -of network traffic directed to the local NT box and broadcasts on the -local subnet. Be aware that Ethereal can read and write netmon -formatted files. -</p><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2959989"></a>Installing 'Network Monitor' on an NT Workstation</h4></div></div><div></div></div><p> -Installing netmon on an NT workstation requires a couple -of steps. The following are for installing Netmon V4.00.349, which comes -with Microsoft Windows NT Server 4.0, on Microsoft Windows NT -Workstation 4.0. The process should be similar for other versions of -Windows NT / Netmon. You will need both the Microsoft Windows -NT Server 4.0 Install CD and the Workstation 4.0 Install CD. -</p><p> -Initially you will need to install <span class="application">Network Monitor Tools and Agent</span> -on the NT Server. To do this -</p><div class="itemizedlist"><ul type="disc"><li><p>Goto <span class="guibutton">Start</span> - <span class="guibutton">Settings</span> - <span class="guibutton">Control Panel</span> - - <span class="guibutton">Network</span> - <span class="guibutton">Services</span> - <span class="guibutton">Add</span> </p></li><li><p>Select the <span class="guilabel">Network Monitor Tools and Agent</span> and - click on <span class="guibutton">OK</span>.</p></li><li><p>Click <span class="guibutton">OK</span> on the Network Control Panel. - </p></li><li><p>Insert the Windows NT Server 4.0 install CD - when prompted.</p></li></ul></div><p> -At this point the Netmon files should exist in -<tt class="filename">%SYSTEMROOT%\System32\netmon\*.*</tt>. -Two subdirectories exist as well, <tt class="filename">parsers\</tt> -which contains the necessary DLL's for parsing the netmon packet -dump, and <tt class="filename">captures\</tt>. -</p><p> -In order to install the Netmon tools on an NT Workstation, you will -first need to install the 'Network Monitor Agent' from the Workstation -install CD. -</p><div class="itemizedlist"><ul type="disc"><li><p>Goto <span class="guibutton">Start</span> - <span class="guibutton">Settings</span> - <span class="guibutton">Control Panel</span> - - <span class="guibutton">Network</span> - <span class="guibutton">Services</span> - <span class="guibutton">Add</span></p></li><li><p>Select the <span class="guilabel">Network Monitor Agent</span> and click - on <span class="guibutton">OK</span>.</p></li><li><p>Click <span class="guibutton">OK</span> on the Network Control Panel. - </p></li><li><p>Insert the Windows NT Workstation 4.0 install - CD when prompted.</p></li></ul></div><p> -Now copy the files from the NT Server in <tt class="filename">%SYSTEMROOT%\System32\netmon\*.*</tt> -to <tt class="filename">%SYSTEMROOT%\System32\netmon\*.*</tt> on the Workstation and set -permissions as you deem appropriate for your site. You will need -administrative rights on the NT box to run netmon. -</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2960258"></a>Installing 'Network Monitor' on an 9x Workstation</h4></div></div><div></div></div><p> -To install Netmon on a Windows 9x box install the network monitor agent -from the Windows 9x CD (<tt class="filename">\admin\nettools\netmon</tt>). There is a readme -file located with the netmon driver files on the CD if you need -information on how to do this. Copy the files from a working -Netmon installation. -</p></div></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2960285"></a>Useful URLs</h2></div></div><div></div></div><div class="itemizedlist"><ul type="disc"><li><p>See how Scott Merrill simulates a BDC behavior at - <a href="http://www.skippy.net/linux/smb-howto.html" target="_top"> - http://www.skippy.net/linux/smb-howto.html</a>. </p></li><li><p>FTP site for older SMB specs: - <a href="ftp://ftp.microsoft.com/developr/drg/CIFS/" target="_top"> - ftp://ftp.microsoft.com/developr/drg/CIFS/</a></p></li></ul></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2960326"></a>Getting help from the mailing lists</h2></div></div><div></div></div><p> -There are a number of Samba related mailing lists. Go to <a href="http://samba.org" target="_top">http://samba.org</a>, click on your nearest mirror -and then click on <b class="command">Support</b> and then click on <b class="command"> -Samba related mailing lists</b>. -</p><p> -For questions relating to Samba TNG go to -<a href="http://www.samba-tng.org/" target="_top">http://www.samba-tng.org/</a> -It has been requested that you don't post questions about Samba-TNG to the -main stream Samba lists.</p><p> -If you post a message to one of the lists please observe the following guide lines : -</p><div class="itemizedlist"><ul type="disc"><li><p>Always remember that the developers are volunteers, they are -not paid and they never guarantee to produce a particular feature at -a particular time. Any time lines are 'best guess' and nothing more. -</p></li><li><p>Always mention what version of samba you are using and what -operating system its running under. You should probably list the -relevant sections of your <tt class="filename">smb.conf</tt> file, at least the options -in [global] that affect PDC support.</p></li><li><p>In addition to the version, if you obtained Samba via -CVS mention the date when you last checked it out.</p></li><li><p> Try and make your question clear and brief, lots of long, -convoluted questions get deleted before they are completely read ! -Don't post html encoded messages (if you can select colour or font -size its html).</p></li><li><p> If you run one of those nifty 'I'm on holidays' things when -you are away, make sure its configured to not answer mailing lists. -</p></li><li><p> Don't cross post. Work out which is the best list to post to -and see what happens, i.e. don't post to both samba-ntdom and samba-technical. -Many people active on the lists subscribe to more -than one list and get annoyed to see the same message two or more times. -Often someone will see a message and thinking it would be better dealt -with on another, will forward it on for you.</p></li><li><p>You might include <span class="emphasis"><em>partial</em></span> -log files written at a debug level set to as much as 20. -Please don't send the entire log but enough to give the context of the -error messages.</p></li><li><p>(Possibly) If you have a complete netmon trace ( from the opening of -the pipe to the error ) you can send the *.CAP file as well.</p></li><li><p>Please think carefully before attaching a document to an email. -Consider pasting the relevant parts into the body of the message. The samba -mailing lists go to a huge number of people, do they all need a copy of your -smb.conf in their attach directory?</p></li></ul></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2960484"></a>How to get off the mailing lists</h2></div></div><div></div></div><p>To have your name removed from a samba mailing list, go to the -same place you went to to get on it. Go to <a href="http://lists.samba.org/" target="_top">http://lists.samba.org</a>, -click on your nearest mirror and then click on <b class="command">Support</b> and -then click on <b class="command"> Samba related mailing lists</b>. -</p><p> -Please don't post messages to the list asking to be removed, you will just -be referred to the above address (unless that process failed in some way...) -</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="diagnosis.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="troubleshooting.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="bugreport.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 33. The Samba checklist </td><td width="20%" align="center"><a accesskey="h" href="samba-doc.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 35. 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