source: chapter06/e2fsprogs.xml@ 90aae6b

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Last change on this file since 90aae6b was 90aae6b, checked in by Matthew Burgess <matthew@…>, 15 years ago

Update various packages' list of installed programs and libraries. Many thanks to Chris Staub for the patch. Fixes #2371.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8870 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-e2fsprogs" role="wrap">
9 <?dbhtml filename="e2fsprogs.html"?>
10
11 <sect1info condition="script">
12 <productname>e2fsprogs</productname>
13 <productnumber>&e2fsprogs-version;</productnumber>
14 <address>&e2fsprogs-url;</address>
15 </sect1info>
16
17 <title>E2fsprogs-&e2fsprogs-version;</title>
18
19 <indexterm zone="ch-system-e2fsprogs">
20 <primary sortas="a-E2fsprogs">E2fsprogs</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The E2fsprogs package contains the utilities for handling the
27 <systemitem class="filesystem">ext2</systemitem> file system. It also
28 supports the <systemitem class="filesystem">ext3</systemitem> journaling
29 file system.</para>
30
31 <segmentedlist>
32 <segtitle>&buildtime;</segtitle>
33 <segtitle>&diskspace;</segtitle>
34
35 <seglistitem>
36 <seg>&e2fsprogs-ch6-sbu;</seg>
37 <seg>&e2fsprogs-ch6-du;</seg>
38 </seglistitem>
39 </segmentedlist>
40
41 </sect2>
42
43 <sect2 role="installation">
44 <title>Installation of E2fsprogs</title>
45
46 <para>Fix a hardcoded path to <filename>/bin/rm</filename> in E2fsprogs'
47 testsuite:</para>
48
49 <screen><userinput remap="pre">sed -i 's@/bin/rm@/tools&amp;@' lib/blkid/test_probe.in</userinput></screen>
50
51 <para>The E2fsprogs documentation recommends that the package be built in
52 a subdirectory of the source tree: </para>
53
54<screen><userinput remap="pre">mkdir -v build
55cd build</userinput></screen>
56
57 <para>Prepare E2fsprogs for compilation:</para>
58
59<screen><userinput remap="configure">../configure --prefix=/usr --with-root-prefix="" \
60 --enable-elf-shlibs</userinput></screen>
61
62 <variablelist>
63 <title>The meaning of the configure options:</title>
64
65 <varlistentry>
66 <term><parameter>--with-root-prefix=""</parameter></term>
67 <listitem>
68 <para>Certain programs (such as the <command>e2fsck</command>
69 program) are considered essential programs. When, for example,
70 <filename class="directory">/usr</filename> is not mounted, these
71 programs still need to be available. They belong in directories
72 like <filename class="directory">/lib</filename> and <filename
73 class="directory">/sbin</filename>. If this option is not passed
74 to E2fsprogs' configure, the programs are installed into the
75 <filename class="directory">/usr</filename> directory.</para>
76 </listitem>
77 </varlistentry>
78
79 <varlistentry>
80 <term><parameter>--enable-elf-shlibs</parameter></term>
81 <listitem>
82 <para>This creates the shared libraries which some programs
83 in this package use.</para>
84 </listitem>
85 </varlistentry>
86
87 </variablelist>
88
89 <para>Compile the package:</para>
90
91<screen><userinput remap="make">make</userinput></screen>
92
93 <para>To test the results, issue:</para>
94
95<screen><userinput remap="test">make check</userinput></screen>
96
97 <para>One of the E2fsprogs tests will attempt to allocate 256 MB
98 of memory. If you do not have significantly more RAM than this, it
99 is recommended to enable sufficient swap space for the test. See
100 <xref linkend="space-creatingfilesystem"/> and
101 <xref linkend="space-mounting"/> for details on creating and enabling
102 swap space.</para>
103
104 <para>Install the binaries, documentation, and shared libraries:</para>
105
106<screen><userinput remap="install">make install</userinput></screen>
107
108 <para>Install the static libraries and headers:</para>
109
110<screen><userinput remap="install">make install-libs</userinput></screen>
111
112 <para>Make the installed static libraries writable so debugging symbols can
113 be removed later.</para>
114
115<screen><userinput remap="install">chmod -v u+w /usr/lib/{libblkid,libcom_err,libe2p,libext2fs,libss,libuuid}.a</userinput></screen>
116
117 <para>This package installs a gzipped
118 <filename class="extension">.info</filename> file but doesn't update the
119 system-wide <filename>dir</filename> file. Unzip this file and then update
120 the system <filename>dir</filename> file using the following
121 commands.</para>
122
123<screen><userinput remap="install">gunzip -v /usr/share/info/libext2fs.info.gz
124install-info --dir-file=/usr/share/info/dir \
125 /usr/share/info/libext2fs.info</userinput></screen>
126
127 <para>If desired, create and install some additional documentation by
128 issuing the following commands:</para>
129
130<screen><userinput remap="install">makeinfo -o doc/com_err.info ../lib/et/com_err.texinfo
131install -v -m644 doc/com_err.info /usr/share/info
132install-info --dir-file=/usr/share/info/dir \
133 /usr/share/info/com_err.info
134
135install -v -m644 -D ../doc/libblkid.txt \
136 /usr/share/doc/e2fsprogs-&e2fsprogs-version;/libblkid.txt</userinput></screen>
137
138 </sect2>
139
140 <sect2 id="contents-e2fsprogs" role="content">
141 <title>Contents of E2fsprogs</title>
142
143 <segmentedlist>
144 <segtitle>Installed programs</segtitle>
145 <segtitle>Installed libraries</segtitle>
146
147 <seglistitem>
148 <seg>badblocks, blkid, chattr, compile_et, debugfs, dumpe2fs, e2fsck,
149 e2image, e2initrd_helper, e2label, e2undo, filefrag, findfs, fsck,
150 fsck.ext2, fsck.ext3, fsck.ext4, fsck.ext4dev, logsave, lsattr,
151 mk_cmds, mke2fs, mkfs.ext2, mkfs.ext3, mkfs.ext4, mkfs.ext4dev,
152 mklost+found, resize2fs, tune2fs, uuidd, and uuidgen.</seg>
153 <seg>libblkid.{a,so}, libcom_err.{a,so}, libe2p.{a,so},
154 libext2fs.{a,so}, libss.{a,so}, and libuuid.{a,so}</seg>
155 </seglistitem>
156 </segmentedlist>
157
158 <variablelist>
159 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
160 <?dbfo list-presentation="list"?>
161 <?dbhtml list-presentation="table"?>
162
163 <varlistentry id="badblocks">
164 <term><command>badblocks</command></term>
165 <listitem>
166 <para>Searches a device (usually a disk partition) for bad
167 blocks</para>
168 <indexterm zone="ch-system-e2fsprogs badblocks">
169 <primary sortas="b-badblocks">badblocks</primary>
170 </indexterm>
171 </listitem>
172 </varlistentry>
173
174 <varlistentry id="blkid">
175 <term><command>blkid</command></term>
176 <listitem>
177 <para>A command line utility to locate and print block device
178 attributes</para>
179 <indexterm zone="ch-system-e2fsprogs blkid">
180 <primary sortas="b-blkid">blkid</primary>
181 </indexterm>
182 </listitem>
183 </varlistentry>
184
185 <varlistentry id="chattr">
186 <term><command>chattr</command></term>
187 <listitem>
188 <para>Changes the attributes of files on an <systemitem
189 class="filesystem">ext2</systemitem> file system; it also
190 changes <systemitem class="filesystem">ext3</systemitem>
191 file systems, the journaling version of <systemitem
192 class="filesystem">ext2</systemitem> file systems</para>
193 <indexterm zone="ch-system-e2fsprogs chattr">
194 <primary sortas="b-chattr">chattr</primary>
195 </indexterm>
196 </listitem>
197 </varlistentry>
198
199 <varlistentry id="compile_et">
200 <term><command>compile_et</command></term>
201 <listitem>
202 <para>An error table compiler; it converts a table of error-code
203 names and messages into a C source file suitable for use with the
204 <filename class="libraryfile">com_err</filename> library</para>
205 <indexterm zone="ch-system-e2fsprogs compile_et">
206 <primary sortas="b-compile_et">compile_et</primary>
207 </indexterm>
208 </listitem>
209 </varlistentry>
210
211 <varlistentry id="debugfs">
212 <term><command>debugfs</command></term>
213 <listitem>
214 <para>A file system debugger; it can be used to examine and change
215 the state of an <systemitem class="filesystem">ext2</systemitem>
216 file system</para>
217 <indexterm zone="ch-system-e2fsprogs debugfs">
218 <primary sortas="b-debugfs">debugfs</primary>
219 </indexterm>
220 </listitem>
221 </varlistentry>
222
223 <varlistentry id="dumpe2fs">
224 <term><command>dumpe2fs</command></term>
225 <listitem>
226 <para>Prints the super block and blocks group information for the
227 file system present on a given device</para>
228 <indexterm zone="ch-system-e2fsprogs dumpe2fs">
229 <primary sortas="b-dumpe2fs">dumpe2fs</primary>
230 </indexterm>
231 </listitem>
232 </varlistentry>
233
234 <varlistentry id="e2fsck">
235 <term><command>e2fsck</command></term>
236 <listitem>
237 <para>Is used to check, and optionally repair <systemitem
238 class="filesystem">ext2</systemitem> file systems and <systemitem
239 class="filesystem">ext3</systemitem> file systems</para>
240 <indexterm zone="ch-system-e2fsprogs e2fsck">
241 <primary sortas="b-e2fsck">e2fsck</primary>
242 </indexterm>
243 </listitem>
244 </varlistentry>
245
246 <varlistentry id="e2image">
247 <term><command>e2image</command></term>
248 <listitem>
249 <para>Is used to save critical <systemitem
250 class="filesystem">ext2</systemitem> file system data to a file</para>
251 <indexterm zone="ch-system-e2fsprogs e2image">
252 <primary sortas="b-e2image">e2image</primary>
253 </indexterm>
254 </listitem>
255 </varlistentry>
256
257 <varlistentry id="e2initrd_helper">
258 <term><command>e2initrd_helper</command></term>
259 <listitem>
260 <para>Prints the FS type of a given filesystem, given either a
261 device name or label</para>
262 <indexterm zone="ch-system-e2fsprogs e2initrd_helper">
263 <primary sortas="b-e2initrd_helper">e2initrd_helper</primary>
264 </indexterm>
265 </listitem>
266 </varlistentry>
267
268 <varlistentry id="e2label">
269 <term><command>e2label</command></term>
270 <listitem>
271 <para>Displays or changes the file system label on the <systemitem
272 class="filesystem">ext2</systemitem> file system present on a given
273 device</para>
274 <indexterm zone="ch-system-e2fsprogs e2label">
275 <primary sortas="b-e2label">e2label</primary>
276 </indexterm>
277 </listitem>
278 </varlistentry>
279
280 <varlistentry id="e2undo">
281 <term><command>e2undo</command></term>
282 <listitem>
283 <para>Replays the undo log undo_log for an ext2/ext3/ext4 filesystem
284 found on a device. This can be used to undo a failed operation by an
285 e2fsprogs program.</para>
286 <indexterm zone="ch-system-e2fsprogs e2undo">
287 <primary sortas="b-e2undo">e2undo</primary>
288 </indexterm>
289 </listitem>
290 </varlistentry>
291
292 <varlistentry id="filefrag">
293 <term><command>filefrag</command></term>
294 <listitem>
295 <para>Reports on how badly fragmented a particular file might be</para>
296 <indexterm zone="ch-system-e2fsprogs filefrag">
297 <primary sortas="b-filefrag">filefrag</primary>
298 </indexterm>
299 </listitem>
300 </varlistentry>
301
302 <varlistentry id="findfs">
303 <term><command>findfs</command></term>
304 <listitem>
305 <para>Finds a file system by label or Universally Unique Identifier
306 (UUID)</para>
307 <indexterm zone="ch-system-e2fsprogs findfs">
308 <primary sortas="b-findfs">findfs</primary>
309 </indexterm>
310 </listitem>
311 </varlistentry>
312
313 <varlistentry id="fsck">
314 <term><command>fsck</command></term>
315 <listitem>
316 <para>Is used to check, and optionally repair, file systems</para>
317 <indexterm zone="ch-system-e2fsprogs fsck">
318 <primary sortas="b-fsck">fsck</primary>
319 </indexterm>
320 </listitem>
321 </varlistentry>
322
323 <varlistentry id="fsck.ext2">
324 <term><command>fsck.ext2</command></term>
325 <listitem>
326 <para>By default checks <systemitem class="filesystem">ext2</systemitem>
327 file systems. This is a hard link to <command>fsck</command>.</para>
328 <indexterm zone="ch-system-e2fsprogs fsck.ext2">
329 <primary sortas="b-fsck.ext2">fsck.ext2</primary>
330 </indexterm>
331 </listitem>
332 </varlistentry>
333
334 <varlistentry id="fsck.ext3">
335 <term><command>fsck.ext3</command></term>
336 <listitem>
337 <para>By default checks <systemitem class="filesystem">ext3</systemitem>
338 file systems. This is a hard link to <command>fsck</command>.</para>
339 <indexterm zone="ch-system-e2fsprogs fsck.ext3">
340 <primary sortas="b-fsck.ext3">fsck.ext3</primary>
341 </indexterm>
342 </listitem>
343 </varlistentry>
344
345 <varlistentry id="fsck.ext4">
346 <term><command>fsck.ext4</command></term>
347 <listitem>
348 <para>By default checks <systemitem class="filesystem">ext4</systemitem>
349 file systems. This is a hard link to <command>fsck</command>.</para>
350 <indexterm zone="ch-system-e2fsprogs fsck.ext4">
351 <primary sortas="b-fsck.ext4">fsck.ext4</primary>
352 </indexterm>
353 </listitem>
354 </varlistentry>
355
356 <varlistentry id="fsck.ext4dev">
357 <term><command>fsck.ext4dev</command></term>
358 <listitem>
359 <para>By default checks <systemitem class="filesystem">ext4</systemitem>
360 development file systems. This is a hard link to
361 <command>fsck</command>.</para>
362 <indexterm zone="ch-system-e2fsprogs fsck.ext4dev">
363 <primary sortas="b-fsck.ext4dev">fsck.ext4dev</primary>
364 </indexterm>
365 </listitem>
366 </varlistentry>
367
368 <varlistentry id="logsave">
369 <term><command>logsave</command></term>
370 <listitem>
371 <para>Saves the output of a command in a log file</para>
372 <indexterm zone="ch-system-e2fsprogs logsave">
373 <primary sortas="b-logsave">logsave</primary>
374 </indexterm>
375 </listitem>
376 </varlistentry>
377
378 <varlistentry id="lsattr">
379 <term><command>lsattr</command></term>
380 <listitem>
381 <para>Lists the attributes of files on a second extended file
382 system</para>
383 <indexterm zone="ch-system-e2fsprogs lsattr">
384 <primary sortas="b-lsattr">lsattr</primary>
385 </indexterm>
386 </listitem>
387 </varlistentry>
388
389 <varlistentry id="mk_cmds">
390 <term><command>mk_cmds</command></term>
391 <listitem>
392 <para>Converts a table of command names and help messages into a C
393 source file suitable for use with the <filename
394 class="libraryfile">libss</filename> subsystem library</para>
395 <indexterm zone="ch-system-e2fsprogs mk_cmds">
396 <primary sortas="b-mk_cmds">mk_cmds</primary>
397 </indexterm>
398 </listitem>
399 </varlistentry>
400
401 <varlistentry id="mke2fs">
402 <term><command>mke2fs</command></term>
403 <listitem>
404 <para>Creates an <systemitem class="filesystem">ext2</systemitem>
405 or <systemitem class="filesystem">ext3</systemitem> file system on
406 the given device</para>
407 <indexterm zone="ch-system-e2fsprogs mke2fs">
408 <primary sortas="b-mke2fs">mke2fs</primary>
409 </indexterm>
410 </listitem>
411 </varlistentry>
412
413 <varlistentry id="mkfs.ext2">
414 <term><command>mkfs.ext2</command></term>
415 <listitem>
416 <para>By default creates <systemitem class="filesystem">ext2</systemitem>
417 file systems. This is a hard link to <command>mke2fs</command>.</para>
418 <indexterm zone="ch-system-e2fsprogs mkfs.ext2">
419 <primary sortas="b-mkfs.ext2">mkfs.ext2</primary>
420 </indexterm>
421 </listitem>
422 </varlistentry>
423
424 <varlistentry id="mkfs.ext3">
425 <term><command>mkfs.ext3</command></term>
426 <listitem>
427 <para>By default creates <systemitem class="filesystem">ext3</systemitem>
428 file systems. This is a hard link to <command>mke2fs</command>.</para>
429 <indexterm zone="ch-system-e2fsprogs mkfs.ext3">
430 <primary sortas="b-mkfs.ext3">mkfs.ext3</primary>
431 </indexterm>
432 </listitem>
433 </varlistentry>
434
435 <varlistentry id="mkfs.ext4">
436 <term><command>mkfs.ext4</command></term>
437 <listitem>
438 <para>By default creates <systemitem class="filesystem">ext4</systemitem>
439 file systems. This is a hard link to <command>mke2fs</command>.</para>
440 <indexterm zone="ch-system-e2fsprogs mkfs.ext4">
441 <primary sortas="b-mkfs.ext4">mkfs.ext4</primary>
442 </indexterm>
443 </listitem>
444 </varlistentry>
445
446 <varlistentry id="mkfs.ext4dev">
447 <term><command>mkfs.ext4dev</command></term>
448 <listitem>
449 <para>By default creates <systemitem class="filesystem">ext4</systemitem>
450 development file systems. This is a hard link to <command>mke2fs</command>.</para>
451 <indexterm zone="ch-system-e2fsprogs mkfs.ext4dev">
452 <primary sortas="b-mkfs.ext4dev">mkfs.ext4dev</primary>
453 </indexterm>
454 </listitem>
455 </varlistentry>
456
457 <varlistentry id="mklost-found">
458 <term><command>mklost+found</command></term>
459 <listitem>
460 <para>Used to create a <filename class="directory">lost+found</filename>
461 directory on an <systemitem class="filesystem">ext2</systemitem> file
462 system; it pre-allocates disk blocks to this directory to lighten the
463 task of <command>e2fsck</command></para>
464 <indexterm zone="ch-system-e2fsprogs mklost-found">
465 <primary sortas="b-mklost+found">mklost+found</primary>
466 </indexterm>
467 </listitem>
468 </varlistentry>
469
470 <varlistentry id="resize2fs">
471 <term><command>resize2fs</command></term>
472 <listitem>
473 <para>Can be used to enlarge or shrink an <systemitem
474 class="filesystem">ext2</systemitem> file system</para>
475 <indexterm zone="ch-system-e2fsprogs resize2fs">
476 <primary sortas="b-resize2fs">resize2fs</primary>
477 </indexterm>
478 </listitem>
479 </varlistentry>
480
481 <varlistentry id="tune2fs">
482 <term><command>tune2fs</command></term>
483 <listitem>
484 <para>Adjusts tunable file system parameters on an <systemitem
485 class="filesystem">ext2</systemitem> file system</para>
486 <indexterm zone="ch-system-e2fsprogs tune2fs">
487 <primary sortas="b-tune2fs">tune2fs</primary>
488 </indexterm>
489 </listitem>
490 </varlistentry>
491
492 <varlistentry id="uuidd">
493 <term><command>uuidd</command></term>
494 <listitem>
495 <para>A daemon used by the UUID library to generate time-based
496 UUIDs in a secure and guranteed-unique fashion.</para>
497 <indexterm zone="ch-system-e2fsprogs uuidd">
498 <primary sortas="b-uuidd">uuidd</primary>
499 </indexterm>
500 </listitem>
501 </varlistentry>
502
503 <varlistentry id="uuidgen">
504 <term><command>uuidgen</command></term>
505 <listitem>
506 <para>Creates new UUIDs. Each new UUID can reasonably be considered
507 unique among all UUIDs created, on the local system and on other
508 systems, in the past and in the future</para>
509 <indexterm zone="ch-system-e2fsprogs uuidgen">
510 <primary sortas="b-uuidgen">uuidgen</primary>
511 </indexterm>
512 </listitem>
513 </varlistentry>
514
515 <varlistentry id="libblkid">
516 <term><filename class="libraryfile">libblkid</filename></term>
517 <listitem>
518 <para>Contains routines for device identification and token
519 extraction</para>
520 <indexterm zone="ch-system-e2fsprogs libblkid">
521 <primary sortas="c-libblkid">libblkid</primary>
522 </indexterm>
523 </listitem>
524 </varlistentry>
525
526 <varlistentry id="libcom_err">
527 <term><filename class="libraryfile">libcom_err</filename></term>
528 <listitem>
529 <para>The common error display routine</para>
530 <indexterm zone="ch-system-e2fsprogs libcom_err">
531 <primary sortas="c-libcom_err">libcom_err</primary>
532 </indexterm>
533 </listitem>
534 </varlistentry>
535
536 <varlistentry id="libe2p">
537 <term><filename class="libraryfile">libe2p</filename></term>
538 <listitem>
539 <para>Used by <command>dumpe2fs</command>, <command>chattr</command>,
540 and <command>lsattr</command></para>
541 <indexterm zone="ch-system-e2fsprogs libe2p">
542 <primary sortas="c-libe2p">libe2p</primary>
543 </indexterm>
544 </listitem>
545 </varlistentry>
546
547 <varlistentry id="libext2fs">
548 <term><filename class="libraryfile">libext2fs</filename></term>
549 <listitem>
550 <para>Contains routines to enable user-level programs to manipulate an
551 <systemitem class="filesystem">ext2</systemitem> file system</para>
552 <indexterm zone="ch-system-e2fsprogs libext2fs">
553 <primary sortas="c-libext2fs">libext2fs</primary>
554 </indexterm>
555 </listitem>
556 </varlistentry>
557
558 <varlistentry id="libss">
559 <term><filename class="libraryfile">libss</filename></term>
560 <listitem>
561 <para>Used by <command>debugfs</command></para>
562 <indexterm zone="ch-system-e2fsprogs libss">
563 <primary sortas="c-libss">libss</primary>
564 </indexterm>
565 </listitem>
566 </varlistentry>
567
568 <varlistentry id="libuuid">
569 <term><filename class="libraryfile">libuuid</filename></term>
570 <listitem>
571 <para>Contains routines for generating unique identifiers for objects
572 that may be accessible beyond the local system</para>
573 <indexterm zone="ch-system-e2fsprogs libuuid">
574 <primary sortas="c-libuuid">libuuid</primary>
575 </indexterm>
576 </listitem>
577 </varlistentry>
578
579 </variablelist>
580
581 </sect2>
582
583</sect1>
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