source: BOOK/final-system/common/e2fsprogs.xml@ eca651f

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since eca651f was 1da2a84, checked in by Joe Ciccone <jciccone@…>, 16 years ago

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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 <title>E2fsprogs-&e2fsprogs-version;</title>
12
13 <indexterm zone="ch-system-e2fsprogs">
14 <primary sortas="a-E2fsprogs">E2fsprogs</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The E2fsprogs package contains the utilities for handling the
21 <systemitem class="filesystem">ext2</systemitem> file system. It also
22 supports the <systemitem class="filesystem">ext3</systemitem> journaling
23 file system.</para>
24
25 </sect2>
26
27 <sect2 role="installation">
28 <title>Installation of E2fsprogs</title>
29
30 <para os="s1">The following command adds <filename>libcom_err.so</filename>
31 to the list of libraries to link <filename>libblkid.so</filename>
32 to:</para>
33
34<screen os="s2"><userinput>cp -v misc/Makefile.in{,.orig}
35sed 's/_BLKID= .*$/&amp; $(LIBCOM_ERR)/' \
36 misc/Makefile.in.orig > misc/Makefile.in</userinput></screen>
37
38 <para os="a">The E2fsprogs documentation recommends that the package be
39 built in a subdirectory of the source tree:</para>
40
41<screen os="b"><userinput>mkdir -v build
42cd build</userinput></screen>
43
44 <para os="c">Prepare E2fsprogs for compilation:</para>
45
46<screen os="d"><userinput>../configure --prefix=/usr --with-root-prefix="" \
47 --enable-elf-shlibs --disable-evms \
48 --with-cc=gcc</userinput></screen>
49
50 <variablelist os="e">
51 <title>The meaning of the configure options:</title>
52
53 <varlistentry os="e1">
54 <term><parameter>--with-root-prefix=""</parameter></term>
55 <listitem>
56 <para>Certain programs (such as the <command>e2fsck</command>
57 program) are considered essential programs. When, for example,
58 <filename class="directory">/usr</filename> is not mounted,
59 these programs still need to be available. They belong in
60 directories like <filename class="directory">/lib</filename> and
61 <filename class="directory">/sbin</filename>. If this option is
62 not passed to E2fsprogs' configure, the programs are installed into
63 the <filename class="directory">/usr</filename> directory.</para>
64 </listitem>
65 </varlistentry>
66
67 <varlistentry os="e2">
68 <term><parameter>--enable-elf-shlibs</parameter></term>
69 <listitem>
70 <para>This creates the shared libraries which some programs
71 in this package use.</para>
72 </listitem>
73 </varlistentry>
74
75 <varlistentry os="e3">
76 <term><parameter>--disable-evms</parameter></term>
77 <listitem>
78 <para>This disables the building of the Enterprise Volume
79 Management System (EVMS) plugin. This plugin is not up-to-date with
80 the latest EVMS internal interfaces and EVMS is not installed as part
81 of a base CLFS system, so the plugin is not required. See the EVMS
82 website at <ulink url="http://evms.sourceforge.net/"/> for more
83 information regarding EVMS.</para>
84 </listitem>
85 </varlistentry>
86
87 </variablelist>
88
89 <para os="f">Compile the package:</para>
90
91<screen os="g"><userinput>make</userinput></screen>
92
93 <para os="h">To test the results, issue:
94 <userinput>make check</userinput>.</para>
95
96 <para os="i">Install the binaries, documentation and shared libraries:</para>
97
98<screen os="j"><userinput>make install</userinput></screen>
99
100 <para os="k">Install the static libraries and headers:</para>
101
102<screen os="l"><userinput>make install-libs</userinput></screen>
103
104 </sect2>
105
106 <sect2 id="contents-e2fsprogs" role="content">
107 <title>Contents of E2fsprogs</title>
108
109 <segmentedlist>
110 <segtitle>Installed programs</segtitle>
111 <segtitle>Installed libraries</segtitle>
112
113 <seglistitem>
114 <seg>badblocks, blkid, chattr, compile_et, debugfs, dumpe2fs,
115 e2fsck, e2image, e2label, filefrag, findfs, fsck, fsck.ext2, fsck.ext3,
116 logsave, lsattr, mk_cmds, mke2fs, mkfs.ext2, mkfs.ext3,
117 mklost+found, resize2fs, tune2fs, uuidd, and uuidgen.</seg>
118 <seg>libblkid.[a,so], libcom_err.[a,so], libe2p.[a,so],
119 libext2fs.[a,so], libss.[a,so], and libuuid.[a,so]</seg>
120 </seglistitem>
121 </segmentedlist>
122
123 <variablelist>
124 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
125 <?dbfo list-presentation="list"?>
126 <?dbhtml list-presentation="table"?>
127
128 <varlistentry id="badblocks">
129 <term><command>badblocks</command></term>
130 <listitem>
131 <para>Searches a device (usually a disk partition) for bad
132 blocks</para>
133 <indexterm zone="ch-system-e2fsprogs badblocks">
134 <primary sortas="b-badblocks">badblocks</primary>
135 </indexterm>
136 </listitem>
137 </varlistentry>
138
139 <varlistentry id="blkid">
140 <term><command>blkid</command></term>
141 <listitem>
142 <para>A command line utility to locate and print block device
143 attributes</para>
144 <indexterm zone="ch-system-e2fsprogs blkid">
145 <primary sortas="b-blkid">blkid</primary>
146 </indexterm>
147 </listitem>
148 </varlistentry>
149
150 <varlistentry id="chattr">
151 <term><command>chattr</command></term>
152 <listitem>
153 <para>Changes the attributes of files on an <systemitem
154 class="filesystem">ext2</systemitem> file system; it also
155 changes <systemitem class="filesystem">ext3</systemitem>
156 file systems, the journaling version of <systemitem
157 class="filesystem">ext2</systemitem> file systems</para>
158 <indexterm zone="ch-system-e2fsprogs chattr">
159 <primary sortas="b-chattr">chattr</primary>
160 </indexterm>
161 </listitem>
162 </varlistentry>
163
164 <varlistentry id="compile_et">
165 <term><command>compile_et</command></term>
166 <listitem>
167 <para>An error table compiler; it converts a table of error-code
168 names and messages into a C source file suitable for use with the
169 <filename class="libraryfile">com_err</filename> library</para>
170 <indexterm zone="ch-system-e2fsprogs compile_et">
171 <primary sortas="b-compile_et">compile_et</primary>
172 </indexterm>
173 </listitem>
174 </varlistentry>
175
176 <varlistentry id="debugfs">
177 <term><command>debugfs</command></term>
178 <listitem>
179 <para>A file system debugger; it can be used to examine and change
180 the state of an <systemitem class="filesystem">ext2</systemitem>
181 file system</para>
182 <indexterm zone="ch-system-e2fsprogs debugfs">
183 <primary sortas="b-debugfs">debugfs</primary>
184 </indexterm>
185 </listitem>
186 </varlistentry>
187
188 <varlistentry id="dumpe2fs">
189 <term><command>dumpe2fs</command></term>
190 <listitem>
191 <para>Prints the super block and blocks group information for the
192 file system present on a given device</para>
193 <indexterm zone="ch-system-e2fsprogs dumpe2fs">
194 <primary sortas="b-dumpe2fs">dumpe2fs</primary>
195 </indexterm>
196 </listitem>
197 </varlistentry>
198
199 <varlistentry id="e2fsck">
200 <term><command>e2fsck</command></term>
201 <listitem>
202 <para>Is used to check, and optionally repair <systemitem
203 class="filesystem">ext2</systemitem> file systems and <systemitem
204 class="filesystem">ext3</systemitem> file systems</para>
205 <indexterm zone="ch-system-e2fsprogs e2fsck">
206 <primary sortas="b-e2fsck">e2fsck</primary>
207 </indexterm>
208 </listitem>
209 </varlistentry>
210
211 <varlistentry id="e2image">
212 <term><command>e2image</command></term>
213 <listitem>
214 <para>Is used to save critical <systemitem
215 class="filesystem">ext2</systemitem> file system data to a file</para>
216 <indexterm zone="ch-system-e2fsprogs e2image">
217 <primary sortas="b-e2image">e2image</primary>
218 </indexterm>
219 </listitem>
220 </varlistentry>
221
222 <varlistentry id="e2label">
223 <term><command>e2label</command></term>
224 <listitem>
225 <para>Displays or changes the file system label on the <systemitem
226 class="filesystem">ext2</systemitem> file system present on a given
227 device</para>
228 <indexterm zone="ch-system-e2fsprogs e2label">
229 <primary sortas="b-e2label">e2label</primary>
230 </indexterm>
231 </listitem>
232 </varlistentry>
233
234 <varlistentry id="filefrag">
235 <term><command>filefrag</command></term>
236 <listitem>
237 <para>Reports on how badly fragmented a particular file might be</para>
238 <indexterm zone="ch-system-e2fsprogs filefrag">
239 <primary sortas="b-filefrag">filefrag</primary>
240 </indexterm>
241 </listitem>
242 </varlistentry>
243
244 <varlistentry id="findfs">
245 <term><command>findfs</command></term>
246 <listitem>
247 <para>Finds a file system by label or Universally Unique Identifier
248 (UUID)</para>
249 <indexterm zone="ch-system-e2fsprogs findfs">
250 <primary sortas="b-findfs">findfs</primary>
251 </indexterm>
252 </listitem>
253 </varlistentry>
254
255 <varlistentry id="fsck">
256 <term><command>fsck</command></term>
257 <listitem>
258 <para>Is used to check, and optionally repair, file systems</para>
259 <indexterm zone="ch-system-e2fsprogs fsck">
260 <primary sortas="b-fsck">fsck</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 <varlistentry id="fsck.ext2">
266 <term><command>fsck.ext2</command></term>
267 <listitem>
268 <para>By default checks <systemitem class="filesystem">ext2</systemitem>
269 file systems</para>
270 <indexterm zone="ch-system-e2fsprogs fsck.ext2">
271 <primary sortas="b-fsck.ext2">fsck.ext2</primary>
272 </indexterm>
273 </listitem>
274 </varlistentry>
275
276 <varlistentry id="fsck.ext3">
277 <term><command>fsck.ext3</command></term>
278 <listitem>
279 <para>By default checks <systemitem class="filesystem">ext3</systemitem>
280 file systems</para>
281 <indexterm zone="ch-system-e2fsprogs fsck.ext3">
282 <primary sortas="b-fsck.ext3">fsck.ext3</primary>
283 </indexterm>
284 </listitem>
285 </varlistentry>
286
287 <varlistentry id="logsave">
288 <term><command>logsave</command></term>
289 <listitem>
290 <para>Saves the output of a command in a log file</para>
291 <indexterm zone="ch-system-e2fsprogs logsave">
292 <primary sortas="b-logsave">logsave</primary>
293 </indexterm>
294 </listitem>
295 </varlistentry>
296
297 <varlistentry id="lsattr">
298 <term><command>lsattr</command></term>
299 <listitem>
300 <para>Lists the attributes of files on a second extended file
301 system</para>
302 <indexterm zone="ch-system-e2fsprogs lsattr">
303 <primary sortas="b-lsattr">lsattr</primary>
304 </indexterm>
305 </listitem>
306 </varlistentry>
307
308 <varlistentry id="mk_cmds">
309 <term><command>mk_cmds</command></term>
310 <listitem>
311 <para>Converts a table of command names and help messages into a C
312 source file suitable for use with the <filename
313 class="libraryfile">libss</filename> subsystem library</para>
314 <indexterm zone="ch-system-e2fsprogs mk_cmds">
315 <primary sortas="b-mk_cmds">mk_cmds</primary>
316 </indexterm>
317 </listitem>
318 </varlistentry>
319
320 <varlistentry id="mke2fs">
321 <term><command>mke2fs</command></term>
322 <listitem>
323 <para>Creates an <systemitem class="filesystem">ext2</systemitem>
324 or <systemitem class="filesystem">ext3</systemitem> file system on
325 the given device</para>
326 <indexterm zone="ch-system-e2fsprogs mke2fs">
327 <primary sortas="b-mke2fs">mke2fs</primary>
328 </indexterm>
329 </listitem>
330 </varlistentry>
331
332 <varlistentry id="mkfs.ext2">
333 <term><command>mkfs.ext2</command></term>
334 <listitem>
335 <para>By default creates <systemitem class="filesystem">ext2</systemitem>
336 file systems</para>
337 <indexterm zone="ch-system-e2fsprogs mkfs.ext2">
338 <primary sortas="b-mkfs.ext2">mkfs.ext2</primary>
339 </indexterm>
340 </listitem>
341 </varlistentry>
342
343 <varlistentry id="mkfs.ext3">
344 <term><command>mkfs.ext3</command></term>
345 <listitem>
346 <para>By default creates <systemitem class="filesystem">ext3</systemitem>
347 file systems</para>
348 <indexterm zone="ch-system-e2fsprogs mkfs.ext3">
349 <primary sortas="b-mkfs.ext3">mkfs.ext3</primary>
350 </indexterm>
351 </listitem>
352 </varlistentry>
353
354 <varlistentry id="mklost-found">
355 <term><command>mklost+found</command></term>
356 <listitem>
357 <para>Used to create a <filename class="directory">lost+found</filename>
358 directory on an <systemitem class="filesystem">ext2</systemitem> file
359 system; it pre-allocates disk blocks to this directory to lighten the
360 task of <command>e2fsck</command></para>
361 <indexterm zone="ch-system-e2fsprogs mklost-found">
362 <primary sortas="b-mklost+found">mklost+found</primary>
363 </indexterm>
364 </listitem>
365 </varlistentry>
366
367 <varlistentry id="resize2fs">
368 <term><command>resize2fs</command></term>
369 <listitem>
370 <para>Can be used to enlarge or shrink an <systemitem
371 class="filesystem">ext2</systemitem> file system</para>
372 <indexterm zone="ch-system-e2fsprogs resize2fs">
373 <primary sortas="b-resize2fs">resize2fs</primary>
374 </indexterm>
375 </listitem>
376 </varlistentry>
377
378 <varlistentry id="tune2fs">
379 <term><command>tune2fs</command></term>
380 <listitem>
381 <para>Adjusts tunable file system parameters on an <systemitem
382 class="filesystem">ext2</systemitem> file system</para>
383 <indexterm zone="ch-system-e2fsprogs tune2fs">
384 <primary sortas="b-tune2fs">tune2fs</primary>
385 </indexterm>
386 </listitem>
387 </varlistentry>
388
389 <varlistentry id="uuidd">
390 <term><command>uuidd</command></term>
391 <listitem>
392 <para>The uuidd daemon is used by the UUID library to generate
393 universally unique identifiers (UUIDs), especially time-based UUID's
394 in a secure and guaranteed-unique fashion, even in the face of large
395 numbers of threads trying to grab UUID's running on different CPU's.
396 </para>
397 <indexterm zone="ch-system-e2fsprogs uuidd">
398 <primary sortas="b-uuidd">uuidd</primary>
399 </indexterm>
400 </listitem>
401 </varlistentry>
402
403 <varlistentry id="uuidgen">
404 <term><command>uuidgen</command></term>
405 <listitem>
406 <para>Creates new UUIDs. Each new UUID can reasonably be considered
407 unique among all UUIDs created, on the local system and on other
408 systems, in the past and in the future</para>
409 <indexterm zone="ch-system-e2fsprogs uuidgen">
410 <primary sortas="b-uuidgen">uuidgen</primary>
411 </indexterm>
412 </listitem>
413 </varlistentry>
414
415 <varlistentry id="libblkid">
416 <term><filename class="libraryfile">libblkid</filename></term>
417 <listitem>
418 <para>Contains routines for device identification and token
419 extraction</para>
420 <indexterm zone="ch-system-e2fsprogs libblkid">
421 <primary sortas="c-libblkid">libblkid</primary>
422 </indexterm>
423 </listitem>
424 </varlistentry>
425
426 <varlistentry id="libcom_err">
427 <term><filename class="libraryfile">libcom_err</filename></term>
428 <listitem>
429 <para>The common error display routine</para>
430 <indexterm zone="ch-system-e2fsprogs libcom_err">
431 <primary sortas="c-libcom_err">libcom_err</primary>
432 </indexterm>
433 </listitem>
434 </varlistentry>
435
436 <varlistentry id="libe2p">
437 <term><filename class="libraryfile">libe2p</filename></term>
438 <listitem>
439 <para>Used by <command>dumpe2fs</command>, <command>chattr</command>,
440 and <command>lsattr</command></para>
441 <indexterm zone="ch-system-e2fsprogs libe2p">
442 <primary sortas="c-libe2p">libe2p</primary>
443 </indexterm>
444 </listitem>
445 </varlistentry>
446
447 <varlistentry id="libext2fs">
448 <term><filename class="libraryfile">libext2fs</filename></term>
449 <listitem>
450 <para>Contains routines to enable user-level programs to manipulate an
451 <systemitem class="filesystem">ext2</systemitem> file system</para>
452 <indexterm zone="ch-system-e2fsprogs libext2fs">
453 <primary sortas="c-libext2fs">libext2fs</primary>
454 </indexterm>
455 </listitem>
456 </varlistentry>
457
458 <varlistentry id="libss">
459 <term><filename class="libraryfile">libss</filename></term>
460 <listitem>
461 <para>Used by <command>debugfs</command></para>
462 <indexterm zone="ch-system-e2fsprogs libss">
463 <primary sortas="c-libss">libss</primary>
464 </indexterm>
465 </listitem>
466 </varlistentry>
467
468 <varlistentry id="libuuid">
469 <term><filename class="libraryfile">libuuid</filename></term>
470 <listitem>
471 <para>Contains routines for generating unique identifiers for objects
472 that may be accessible beyond the local system</para>
473 <indexterm zone="ch-system-e2fsprogs libuuid">
474 <primary sortas="c-libuuid">libuuid</primary>
475 </indexterm>
476 </listitem>
477 </varlistentry>
478
479 </variablelist>
480
481 </sect2>
482
483</sect1>
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