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1<?xml version="1.0" encoding="iso-8859-1"?>
2<!DOCTYPE chapter PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
3<chapter id="compiling">
4<chapterinfo>
5 &author.jelmer;
6 &author.jht;
7 &author.tridge;
8
9 <pubdate> 22 May 2001 </pubdate>
10 <pubdate> 18 March 2003 </pubdate>
11 <pubdate> June 2005 </pubdate>
12</chapterinfo>
13
14<title>How to Compile Samba</title>
15
16<para>
17You can obtain the Samba source file from the
18<ulink url="http://samba.org/">Samba Web site</ulink>. To obtain a development version,
19you can download Samba from Subversion or using <command>rsync</command>.
20</para>
21
22<sect1>
23<title>Access Samba Source Code via Subversion</title>
24
25
26<sect2>
27<title>Introduction</title>
28
29<para>
30<indexterm><primary>Subversion</primary></indexterm>
31Samba is developed in an open environment. Developers use a
32Subversion to <quote>checkin</quote> (also known as
33<quote>commit</quote>) new source code. Samba's various Subversion branches can
34be accessed via anonymous Subversion using the instructions
35detailed in this chapter.
36</para>
37
38<para>
39This chapter is a modified version of the instructions found at the
40<ulink noescape="1" url="http://samba.org/samba/subversion.html">Samba</ulink> Web site.
41</para>
42
43</sect2>
44
45<sect2>
46<title>Subversion Access to samba.org</title>
47
48<para>
49The machine samba.org runs a publicly accessible Subversion
50repository for access to the source code of several packages,
51including Samba, rsync, distcc, ccache, and jitterbug. There are two main ways
52of accessing the Subversion server on this host.
53</para>
54
55<sect3>
56<title>Access via ViewCVS</title>
57
58
59<para>
60<indexterm><primary>SVN</primary><secondary>web</secondary></indexterm>
61You can access the source code via your favorite WWW browser. This allows you to access
62the contents of individual files in the repository and also to look at the revision
63history and commit logs of individual files. You can also ask for a diff
64listing between any two versions on the repository.
65</para>
66
67<para>
68Use the URL
69<ulink noescape="1" url="http://viewcvs.samba.org/">http://viewcvs.samba.org/</ulink>.
70</para>
71</sect3>
72
73<sect3>
74<title>Access via Subversion</title>
75
76<para>
77<indexterm><primary>Subversion</primary></indexterm>
78You can also access the source code via a normal Subversion client. This gives you much more control over what
79you can do with the repository and allows you to check out whole source trees and keep them up to date via
80normal Subversion commands. This is the preferred method of access if you are a developer and not just a
81casual browser.
82</para>
83
84<para>In order to be able to download the Samba sources off Subversion, you need
85a Subversion client. Your distribution might include one, or you can download the
86sources from <ulink noescape="1" url="http://subversion.tigris.org/">http://subversion.tigris.org/</ulink>.
87</para>
88
89<para>
90To gain access via anonymous Subversion, use the following steps.
91</para>
92
93<procedure>
94 <title>Retrieving Samba using Subversion</title>
95
96 <step>
97 <para>
98 Install a recent copy of Subversion. All you really need is a
99 copy of the Subversion client binary.
100 </para>
101 </step>
102
103 <step>
104 <para>
105 Run the command
106 <screen>
107 <userinput>svn co svn://svnanon.samba.org/samba/trunk samba</userinput>.
108 </screen>
109 </para>
110
111 <para>
112 This will create a directory called <filename>samba</filename> containing the
113 latest Samba source code (usually the branch that is going to be the next major release). This
114 currently corresponds to the 3.1 development tree.
115 </para>
116
117 <para>
118 Subversion branches other then trunk can be obtained by adding branches/BRANCH_NAME to the URL you check
119 out. A list of branch names can be found on the <quote>Development</quote> page of the Samba Web site. A
120 common request is to obtain the latest 3.0 release code. This could be done by using the following command:
121 <screen>
122 <userinput>svn co svn://svnanon.samba.org/samba/branches/SAMBA_3_0 samba_3</userinput>.
123 </screen>
124 </para>
125 </step>
126
127 <step>
128 <para>
129 Whenever you want to merge in the latest code changes, use the following command from within the Samba
130 directory:
131 <screen>
132 <userinput>svn update</userinput>
133 </screen>
134 </para>
135 </step>
136</procedure>
137
138</sect3>
139</sect2>
140
141</sect1>
142
143<sect1>
144 <title>Accessing the Samba Sources via rsync and ftp</title>
145
146
147 <para>
148 <indexterm><primary>rsync</primary></indexterm>
149 <indexterm><primary>ftp</primary></indexterm>
150 <parameter>pserver.samba.org</parameter> also exports unpacked copies of most parts of the Subversion tree
151 at the Samba <ulink noescape="1" url="ftp://pserver.samba.org/pub/unpacked">pserver</ulink> location and also
152 via anonymous rsync at the Samba <ulink noescape="1"
153 url="rsync://pserver.samba.org/ftp/unpacked/">rsync</ulink> server location. I recommend using rsync rather
154 than ftp, because rsync is capable of compressing data streams, but it is also more useful than FTP because
155 during a partial update it will transfer only the data that is missing plus a small overhead. See <ulink
156 noescape="1" url="http://rsync.samba.org/">the rsync home page</ulink> for more info on rsync.
157 </para>
158
159 <para>
160 The disadvantage of the unpacked trees is that they do not support automatic
161 merging of local changes as Subversion does. <command>rsync</command> access is most convenient
162 for an initial install.
163 </para>
164</sect1>
165
166<sect1>
167<title>Verifying Samba's PGP Signature</title>
168
169<para>
170<indexterm><primary>GPG</primary></indexterm>
171<indexterm><primary>PGP</primary></indexterm>
172It is strongly recommended that you verify the PGP signature for any source file before
173installing it. Even if you're not downloading from a mirror site, verifying PGP signatures
174should be a standard reflex. Many people today use the GNU GPG tool set in place of PGP.
175GPG can substitute for PGP.
176</para>
177
178
179<para>
180With that said, go ahead and download the following files:
181</para>
182
183<para><screen>
184&prompt;<userinput>wget http://us1.samba.org/samba/ftp/samba-3.0.20.tar.asc</userinput>
185&prompt;<userinput>wget http://us1.samba.org/samba/ftp/samba-pubkey.asc</userinput>
186</screen></para>
187
188
189<para>
190<indexterm><primary>PGP</primary></indexterm>
191The first file is the PGP signature for the Samba source file; the other is the Samba public
192PGP key itself. Import the public PGP key with:
193<screen>
194&prompt;<userinput>gpg --import samba-pubkey.asc</userinput>
195</screen>
196and verify the Samba source code integrity with:
197<screen>
198&prompt;<userinput>gzip -d samba-3.0.20.tar.gz</userinput>
199&prompt;<userinput>gpg --verify samba-3.0.20.tar.asc</userinput>
200</screen>
201</para>
202
203<para>
204If you receive a message like, <quote>Good signature from Samba Distribution Verification Key...,</quote>
205then all is well. The warnings about trust relationships can be ignored. An
206example of what you would not want to see would be:
207<screen>
208gpg: BAD signature from <quote>Samba Distribution Verification Key</quote>
209</screen>
210</para>
211
212</sect1>
213
214<sect1>
215 <title>Building the Binaries</title>
216
217 <para>
218 <indexterm><primary>autogen.sh</primary></indexterm>
219<indexterm><primary>configure</primary></indexterm>
220 After the source tarball has been unpacked, the next step involves
221 configuration to match Samba to your operating system platform.
222 If your source directory does not contain the <command>configure</command> script,
223 it is necessary to build it before you can continue. Building of
224 the configure script requires the correct version of the autoconf
225 tool kit. Where the necessary version of autoconf is present,
226 the configure script can be generated by executing the following:
227<screen>
228&rootprompt; cd samba-3.0.20/source
229&rootprompt; ./autogen.sh
230</screen>
231 </para>
232
233
234 <para>
235 <indexterm><primary>configure</primary></indexterm>
236 To build the binaries, run the program <userinput>./configure
237 </userinput> in the source directory. This should automatically
238 configure Samba for your operating system. If you have unusual
239 needs, then you may wish to first run:
240<screen>
241&rootprompt;<userinput>./configure --help</userinput>
242</screen>
243</para>
244
245 <para>
246 This will help you to see what special options can be enabled. Now execute
247 <userinput>./configure</userinput> with any arguments it might need:
248<screen>
249&rootprompt;<userinput>./configure <replaceable>[... arguments ...]</replaceable></userinput>
250</screen>
251 </para>
252
253 <para>
254 <indexterm><primary>make</primary></indexterm>
255 Execute the following create the binaries:
256<screen>
257&rootprompt; <userinput>make</userinput>
258</screen>
259 Once it is successfully compiled, you can execute the command shown here to
260 install the binaries and manual pages:
261<screen>
262&rootprompt; <userinput>make install</userinput>
263</screen>
264 </para>
265
266 <para>
267 Some people prefer to install binary files and man pages separately. If this is
268 your wish, the binary files can be installed by executing:
269<screen>
270&rootprompt; <userinput>make installbin</userinput>
271</screen>
272 The man pages can be installed using this command:
273<screen>
274&rootprompt; <userinput>make installman</userinput>
275</screen>
276 </para>
277
278 <para>
279 Note that if you are upgrading from a previous version of Samba the old
280 versions of the binaries will be renamed with an <quote>.old</quote> extension.
281 You can go back to the previous version by executing:
282<screen>
283&rootprompt; <userinput>make revert</userinput>
284</screen>
285 As you can see from this, building and installing Samba does not need to
286 result in disaster!
287 </para>
288
289
290 <sect2>
291 <title>Compiling Samba with Active Directory Support</title>
292
293 <para>
294 In order to compile Samba with ADS support, you need to have installed
295 on your system:
296 </para>
297
298 <itemizedlist>
299
300 <listitem><para>
301 The MIT or Heimdal Kerberos development libraries
302 (either install from the sources or use a package).
303 </para></listitem>
304
305 <listitem><para>
306 The OpenLDAP development libraries.
307 </para></listitem>
308
309 </itemizedlist>
310
311 <para>
312 If your Kerberos libraries are in a nonstandard location, then
313 remember to add the configure option
314 <option>--with-krb5=<replaceable>DIR</replaceable></option>.
315 </para>
316
317 <para>
318 After you run configure, make sure that the
319 <filename>include/config.h</filename> it generates contain lines like this:
320<programlisting>
321#define HAVE_KRB5 1
322#define HAVE_LDAP 1
323</programlisting>
324 </para>
325
326 <para>
327 If it does not, configure did not find your KRB5 libraries or
328 your LDAP libraries. Look in <filename>config.log</filename> to figure
329 out why and fix it.
330 </para>
331
332 <sect3>
333 <title>Installing the Required Packages for Debian</title>
334
335 <para>On Debian, you need to install the following packages:</para>
336 <para>
337 <itemizedlist>
338 <listitem><para>libkrb5-dev</para></listitem>
339 <listitem><para>krb5-user</para></listitem>
340 </itemizedlist>
341 </para>
342 </sect3>
343
344 <sect3>
345 <title>Installing the Required Packages for Red Hat Linux</title>
346
347 <para>On Red Hat Linux, this means you should have at least: </para>
348 <para>
349 <itemizedlist>
350 <listitem><para>krb5-workstation (for kinit)</para></listitem>
351 <listitem><para>krb5-libs (for linking with)</para></listitem>
352 <listitem><para>krb5-devel (because you are compiling from source)</para></listitem>
353 </itemizedlist>
354 </para>
355
356 <para>in addition to the standard development environment.</para>
357
358 <para>If these files are not installed on your system, you should check the installation
359 CDs to find which has them and install the files using your tool of choice. If in doubt
360 about what tool to use, refer to the Red Hat Linux documentation.</para>
361
362 </sect3>
363
364 <sect3>
365 <title>SuSE Linux Package Requirements</title>
366
367 <para>
368 SuSE Linux installs Heimdal packages that may be required to allow you to build
369 binary packages. You should verify that the development libraries have been installed on
370 your system.
371 </para>
372
373 <para>
374 SuSE Linux Samba RPMs support Kerberos. Please refer to the documentation for
375 your SuSE Linux system for information regarding SuSE Linux specific configuration.
376 Additionally, SuSE is very active in the maintenance of Samba packages that provide
377 the maximum capabilities that are available. You should consider using SuSE-provided
378 packages where they are available.
379 </para>
380
381 </sect3>
382
383 </sect2>
384
385</sect1>
386
387<sect1 id="startingSamba">
388 <title>Starting the &smbd; &nmbd; and &winbindd;</title>
389
390
391 <para>
392 <indexterm><primary>inetd</primary></indexterm>
393 You must choose to start &smbd;, &winbindd; and &nmbd; either as daemons or from
394 <application>inetd</application>. Don't try to do both! Either you can put
395 them in <filename> inetd.conf</filename> and have them started on demand by
396 <application>inetd</application> or <application>xinetd</application>, or you
397 can start them as daemons either from the command-line or in
398 <filename>/etc/rc.local</filename>. See the man pages for details on the
399 command line options. Take particular care to read the bit about what user
400 you need to have to start Samba. In many cases, you must be root.
401 </para>
402
403 <para>
404 The main advantage of starting &smbd; and &nmbd; using the recommended daemon method
405 is that they will respond slightly more quickly to an initial connection request.
406 </para>
407
408 <sect2>
409 <title>Starting from inetd.conf</title>
410
411 <indexterm><primary>inetd</primary></indexterm>
412
413 <note>
414 <para>The following will be different if
415 you use NIS, NIS+, or LDAP to distribute services maps.</para>
416 </note>
417
418 <para>Look at your <filename>/etc/services</filename>.
419 What is defined at port 139/tcp? If nothing is defined,
420 then add a line like this:</para>
421
422 <para><programlisting>netbios-ssn 139/tcp</programlisting></para>
423
424 <para>Similarly for 137/udp, you should have an entry like:</para>
425
426 <para><programlisting>netbios-ns 137/udp</programlisting></para>
427
428 <para>
429 Next, edit your <filename>/etc/inetd.conf</filename> and add two lines like this:
430<programlisting>
431netbios-ssn stream tcp nowait root /usr/local/samba/sbin/smbd smbd
432netbios-ns dgram udp wait root /usr/local/samba/sbin/nmbd nmbd
433</programlisting>
434 </para>
435
436<indexterm><primary>/etc/inetd.conf</primary></indexterm>
437 <para>
438 The exact syntax of <filename>/etc/inetd.conf</filename>
439 varies between UNIXes. Look at the other entries in inetd.conf
440 for a guide.
441 </para>
442
443 <para>
444 <indexterm><primary>xinetd</primary></indexterm>
445 Some distributions use xinetd instead of inetd. Consult the
446 xinetd manual for configuration information.
447 </para>
448
449 <note><para>Some UNIXes already have entries like netbios_ns
450 (note the underscore) in <filename>/etc/services</filename>.
451 You must edit <filename>/etc/services</filename> or
452 <filename>/etc/inetd.conf</filename> to make them consistent.
453 </para></note>
454
455 <note><para>
456 <indexterm><primary>ifconfig</primary></indexterm>
457 On many systems you may need to use the
458 <smbconfoption name="interfaces"/> option in &smb.conf; to specify
459 the IP address and netmask of your interfaces. Run
460 <application>ifconfig</application> as root if you do
461 not know what the broadcast is for your net. &nmbd; tries
462 to determine it at runtime, but fails on some UNIXes.
463 </para></note>
464
465 <warning><para>
466 Many UNIXes only accept around five parameters on the command
467 line in <filename>inetd.conf</filename>. This means you shouldn't
468 use spaces between the options and arguments, or you should use
469 a script and start the script from <command>inetd</command>.
470 </para></warning>
471
472 <para>
473 Restart <application>inetd</application>, perhaps just send it a HUP,
474 like this:
475<indexterm><primary>killall</primary></indexterm>
476<screen>
477&rootprompt;<userinput>killall -HUP inetd</userinput>
478</screen>
479 </para>
480
481 </sect2>
482
483 <sect2>
484 <title>Alternative: Starting &smbd; as a Daemon</title>
485
486 <para>
487 <indexterm><primary>daemon</primary></indexterm>
488<indexterm><primary>startsmb</primary></indexterm>
489 To start the server as a daemon, you should create a script something
490 like this one, perhaps calling it <filename>startsmb</filename>.
491 </para>
492
493<para><programlisting>
494#!/bin/sh
495/usr/local/samba/sbin/smbd -D
496/usr/local/samba/sbin/winbindd -D
497/usr/local/samba/sbin/nmbd -D
498</programlisting></para>
499
500 <para>
501 Make it executable with <command>chmod +x startsmb</command>.
502 </para>
503
504 <para>
505 You can then run <command>startsmb</command> by hand or execute
506 it from <filename>/etc/rc.local</filename>.
507 </para>
508
509 <para>
510 To kill it, send a kill signal to the processes &nmbd; and &smbd;.
511 </para>
512
513 <note><para>
514 If you use the SVR4-style init system, you may like to look at the
515 <filename>examples/svr4-startup</filename> script to make Samba fit
516 into that system.
517 </para></note>
518
519 <sect3>
520 <title>Starting Samba for Red Hat Linux</title>
521
522 <para>
523 Red Hat Linux has not always included all Samba components in the standard installation.
524 So versions of Red Hat Linux do not install the winbind utility, even though it is present
525 on the installation CDROM media. Check to see if the <command>winbindd</command> is present
526 on the system:
527<screen>
528&rootprompt; ls /usr/sbin/winbindd
529/usr/sbin/winbindd
530</screen>
531 This means that the appropriate RPM package was installed. The following response means
532 that it is not installed:
533<screen>
534/bin/ls: /usr/sbin/winbind: No such file or directory
535</screen>
536 In this case, it should be installed if you intend to use <command>winbindd</command>. Search
537 the CDROM installation media for the samba-winbind RPM and install it following Red Hat
538 guidelines.
539 </para>
540
541 <para>
542 The process for starting Samba will now be outlined. Be sure to configure Samba's &smb.conf;
543 file before starting Samba. When configured, start Samba by executing:
544<screen>
545&rootprompt; service smb start
546&rootprompt; service winbind start
547</screen>
548 These steps will start &nmbd;, &smbd; and &winbindd;.
549 </para>
550
551 <para>
552 To ensure that these services will be automatically restarted when the system is rebooted
553 execute:
554<screen>
555&rootprompt; chkconfig smb on
556&rootprompt; chkconfig winbind on
557</screen>
558 Samba will be started automatically at every system reboot.
559 </para>
560
561 </sect3>
562
563 <sect3>
564 <title>Starting Samba for Novell SUSE Linux</title>
565
566 <para>
567 Novell SUSE Linux products automatically install all essential Samba components in a default installation.
568 Configure your &smb.conf; file, then execute the following to start Samba:
569<screen>
570&rootprompt; rcnmb start
571&rootprompt; rcsmb start
572&rootprompt; rcwinbind start
573</screen>
574 Now execute these commands so that Samba will be started automatically following a system
575 reboot:
576<screen>
577&rootprompt; chkconfig nmb on
578&rootprompt; chkconfig smb on
579&rootprompt; chkconfig winbind on
580</screen>
581 The Samba services will now be started automatically following a system reboot.
582 </para>
583
584 </sect3>
585
586 </sect2>
587
588</sect1>
589
590</chapter>
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