source: clfs-embedded/BOOK/final-system/common/e2fsprogs.xml@ 9642843

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[be76242]1<?xml version="1.0" encoding="ISO-8859-1"?>
[bd48e48]2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
[be76242]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="a">The E2fsprogs documentation recommends that the package be
31 built in a subdirectory of the source tree:</para>
32
33<screen os="b"><userinput>mkdir -v build
34cd build</userinput></screen>
35
36 <para os="c">Prepare E2fsprogs for compilation:</para>
37
[3ca2208]38<screen os="d"><userinput>CC="${CC} ${BUILD} -Os" ../configure --build=${CLFS_HOST} \
39 --host=${CLFS_TARGET} --prefix=/usr --with-root-prefix="" \
40 --with-cc="${CC} ${BUILD} -Os" --with-linker=${LD}</userinput></screen>
[be76242]41
42 <variablelist os="e">
43 <title>The meaning of the configure options:</title>
44
45 <varlistentry os="e1">
46 <term><parameter>--with-root-prefix=""</parameter></term>
47 <listitem>
48 <para>Certain programs (such as the <command>e2fsck</command>
49 program) are considered essential programs. When, for example,
50 <filename class="directory">/usr</filename> is not mounted,
51 these programs still need to be available. They belong in
52 directories like <filename class="directory">/lib</filename> and
53 <filename class="directory">/sbin</filename>. If this option is
54 not passed to E2fsprogs' configure, the programs are installed into
55 the <filename class="directory">/usr</filename> directory.</para>
56 </listitem>
57 </varlistentry>
58
59 <varlistentry os="e2">
60 <term><parameter>--enable-elf-shlibs</parameter></term>
61 <listitem>
62 <para>This creates the shared libraries which some programs
63 in this package use.</para>
64 </listitem>
65 </varlistentry>
66
67 <varlistentry os="e3">
68 <term><parameter>--disable-evms</parameter></term>
69 <listitem>
70 <para>This disables the building of the Enterprise Volume
71 Management System (EVMS) plugin. This plugin is not up-to-date with
72 the latest EVMS internal interfaces and EVMS is not installed as part
73 of a base CLFS system, so the plugin is not required. See the EVMS
74 website at <ulink url="http://evms.sourceforge.net/"/> for more
75 information regarding EVMS.</para>
76 </listitem>
77 </varlistentry>
78
79 </variablelist>
80
81 <para os="f">Compile the package:</para>
82
83<screen os="g"><userinput>make</userinput></screen>
84
85 <para os="h">Install the binaries, documentation, and shared libraries:</para>
86
87<screen os="i"><userinput>make DESTDIR=${CLFS} install</userinput></screen>
88
89 <para os="j">Install the static libraries and headers:</para>
90
91<screen os="k"><userinput>make DESTDIR=${CLFS} install-libs</userinput></screen>
92
93 </sect2>
94
95 <sect2 id="contents-e2fsprogs" role="content">
96 <title>Contents of E2fsprogs</title>
97
98 <segmentedlist>
99 <segtitle>Installed programs</segtitle>
100 <segtitle>Installed libraries</segtitle>
101
102 <seglistitem>
103 <seg>badblocks, blkid, chattr, compile_et, debugfs, dumpe2fs,
104 e2fsck, e2image, e2label, filefrag, findfs, fsck, fsck.ext2, fsck.ext3,
105 logsave, lsattr, mk_cmds, mke2fs, mkfs.ext2, mkfs.ext3,
106 mklost+found, resize2fs, tune2fs, and uuidgen.</seg>
107 <seg>libblkid.[a,so], libcom_err.[a,so], libe2p.[a,so],
108 libext2fs.[a,so], libss.[a,so], and libuuid.[a,so]</seg>
109 </seglistitem>
110 </segmentedlist>
111
112 <variablelist>
113 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
114 <?dbfo list-presentation="list"?>
115 <?dbhtml list-presentation="table"?>
116
117 <varlistentry id="badblocks">
118 <term><command>badblocks</command></term>
119 <listitem>
120 <para>Searches a device (usually a disk partition) for bad
121 blocks</para>
122 <indexterm zone="ch-system-e2fsprogs badblocks">
123 <primary sortas="b-badblocks">badblocks</primary>
124 </indexterm>
125 </listitem>
126 </varlistentry>
127
128 <varlistentry id="blkid">
129 <term><command>blkid</command></term>
130 <listitem>
131 <para>A command line utility to locate and print block device
132 attributes</para>
133 <indexterm zone="ch-system-e2fsprogs blkid">
134 <primary sortas="b-blkid">blkid</primary>
135 </indexterm>
136 </listitem>
137 </varlistentry>
138
139 <varlistentry id="chattr">
140 <term><command>chattr</command></term>
141 <listitem>
142 <para>Changes the attributes of files on an <systemitem
143 class="filesystem">ext2</systemitem> file system; it also
144 changes <systemitem class="filesystem">ext3</systemitem>
145 file systems, the journaling version of <systemitem
146 class="filesystem">ext2</systemitem> file systems</para>
147 <indexterm zone="ch-system-e2fsprogs chattr">
148 <primary sortas="b-chattr">chattr</primary>
149 </indexterm>
150 </listitem>
151 </varlistentry>
152
153 <varlistentry id="compile_et">
154 <term><command>compile_et</command></term>
155 <listitem>
156 <para>An error table compiler; it converts a table of error-code
157 names and messages into a C source file suitable for use with the
158 <filename class="libraryfile">com_err</filename> library</para>
159 <indexterm zone="ch-system-e2fsprogs compile_et">
160 <primary sortas="b-compile_et">compile_et</primary>
161 </indexterm>
162 </listitem>
163 </varlistentry>
164
165 <varlistentry id="debugfs">
166 <term><command>debugfs</command></term>
167 <listitem>
168 <para>A file system debugger; it can be used to examine and change
169 the state of an <systemitem class="filesystem">ext2</systemitem>
170 file system</para>
171 <indexterm zone="ch-system-e2fsprogs debugfs">
172 <primary sortas="b-debugfs">debugfs</primary>
173 </indexterm>
174 </listitem>
175 </varlistentry>
176
177 <varlistentry id="dumpe2fs">
178 <term><command>dumpe2fs</command></term>
179 <listitem>
180 <para>Prints the super block and blocks group information for the
181 file system present on a given device</para>
182 <indexterm zone="ch-system-e2fsprogs dumpe2fs">
183 <primary sortas="b-dumpe2fs">dumpe2fs</primary>
184 </indexterm>
185 </listitem>
186 </varlistentry>
187
188 <varlistentry id="e2fsck">
189 <term><command>e2fsck</command></term>
190 <listitem>
191 <para>Is used to check, and optionally repair <systemitem
192 class="filesystem">ext2</systemitem> file systems and <systemitem
193 class="filesystem">ext3</systemitem> file systems</para>
194 <indexterm zone="ch-system-e2fsprogs e2fsck">
195 <primary sortas="b-e2fsck">e2fsck</primary>
196 </indexterm>
197 </listitem>
198 </varlistentry>
199
200 <varlistentry id="e2image">
201 <term><command>e2image</command></term>
202 <listitem>
203 <para>Is used to save critical <systemitem
204 class="filesystem">ext2</systemitem> file system data to a file</para>
205 <indexterm zone="ch-system-e2fsprogs e2image">
206 <primary sortas="b-e2image">e2image</primary>
207 </indexterm>
208 </listitem>
209 </varlistentry>
210
211 <varlistentry id="e2label">
212 <term><command>e2label</command></term>
213 <listitem>
214 <para>Displays or changes the file system label on the <systemitem
215 class="filesystem">ext2</systemitem> file system present on a given
216 device</para>
217 <indexterm zone="ch-system-e2fsprogs e2label">
218 <primary sortas="b-e2label">e2label</primary>
219 </indexterm>
220 </listitem>
221 </varlistentry>
222
223 <varlistentry id="filefrag">
224 <term><command>filefrag</command></term>
225 <listitem>
226 <para>Reports on how badly fragmented a particular file might be</para>
227 <indexterm zone="ch-system-e2fsprogs filefrag">
228 <primary sortas="b-filefrag">filefrag</primary>
229 </indexterm>
230 </listitem>
231 </varlistentry>
232
233 <varlistentry id="findfs">
234 <term><command>findfs</command></term>
235 <listitem>
236 <para>Finds a file system by label or Universally Unique Identifier
237 (UUID)</para>
238 <indexterm zone="ch-system-e2fsprogs findfs">
239 <primary sortas="b-findfs">findfs</primary>
240 </indexterm>
241 </listitem>
242 </varlistentry>
243
244 <varlistentry id="fsck">
245 <term><command>fsck</command></term>
246 <listitem>
247 <para>Is used to check, and optionally repair, file systems</para>
248 <indexterm zone="ch-system-e2fsprogs fsck">
249 <primary sortas="b-fsck">fsck</primary>
250 </indexterm>
251 </listitem>
252 </varlistentry>
253
254 <varlistentry id="fsck.ext2">
255 <term><command>fsck.ext2</command></term>
256 <listitem>
257 <para>By default checks <systemitem class="filesystem">ext2</systemitem>
258 file systems</para>
259 <indexterm zone="ch-system-e2fsprogs fsck.ext2">
260 <primary sortas="b-fsck.ext2">fsck.ext2</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 <varlistentry id="fsck.ext3">
266 <term><command>fsck.ext3</command></term>
267 <listitem>
268 <para>By default checks <systemitem class="filesystem">ext3</systemitem>
269 file systems</para>
270 <indexterm zone="ch-system-e2fsprogs fsck.ext3">
271 <primary sortas="b-fsck.ext3">fsck.ext3</primary>
272 </indexterm>
273 </listitem>
274 </varlistentry>
275
276 <varlistentry id="logsave">
277 <term><command>logsave</command></term>
278 <listitem>
279 <para>Saves the output of a command in a log file</para>
280 <indexterm zone="ch-system-e2fsprogs logsave">
281 <primary sortas="b-logsave">logsave</primary>
282 </indexterm>
283 </listitem>
284 </varlistentry>
285
286 <varlistentry id="lsattr">
287 <term><command>lsattr</command></term>
288 <listitem>
289 <para>Lists the attributes of files on a second extended file
290 system</para>
291 <indexterm zone="ch-system-e2fsprogs lsattr">
292 <primary sortas="b-lsattr">lsattr</primary>
293 </indexterm>
294 </listitem>
295 </varlistentry>
296
297 <varlistentry id="mk_cmds">
298 <term><command>mk_cmds</command></term>
299 <listitem>
300 <para>Converts a table of command names and help messages into a C
301 source file suitable for use with the <filename
302 class="libraryfile">libss</filename> subsystem library</para>
303 <indexterm zone="ch-system-e2fsprogs mk_cmds">
304 <primary sortas="b-mk_cmds">mk_cmds</primary>
305 </indexterm>
306 </listitem>
307 </varlistentry>
308
309 <varlistentry id="mke2fs">
310 <term><command>mke2fs</command></term>
311 <listitem>
312 <para>Creates an <systemitem class="filesystem">ext2</systemitem>
313 or <systemitem class="filesystem">ext3</systemitem> file system on
314 the given device</para>
315 <indexterm zone="ch-system-e2fsprogs mke2fs">
316 <primary sortas="b-mke2fs">mke2fs</primary>
317 </indexterm>
318 </listitem>
319 </varlistentry>
320
321 <varlistentry id="mkfs.ext2">
322 <term><command>mkfs.ext2</command></term>
323 <listitem>
324 <para>By default creates <systemitem class="filesystem">ext2</systemitem>
325 file systems</para>
326 <indexterm zone="ch-system-e2fsprogs mkfs.ext2">
327 <primary sortas="b-mkfs.ext2">mkfs.ext2</primary>
328 </indexterm>
329 </listitem>
330 </varlistentry>
331
332 <varlistentry id="mkfs.ext3">
333 <term><command>mkfs.ext3</command></term>
334 <listitem>
335 <para>By default creates <systemitem class="filesystem">ext3</systemitem>
336 file systems</para>
337 <indexterm zone="ch-system-e2fsprogs mkfs.ext3">
338 <primary sortas="b-mkfs.ext3">mkfs.ext3</primary>
339 </indexterm>
340 </listitem>
341 </varlistentry>
342
343 <varlistentry id="mklost-found">
344 <term><command>mklost+found</command></term>
345 <listitem>
346 <para>Used to create a <filename class="directory">lost+found</filename>
347 directory on an <systemitem class="filesystem">ext2</systemitem> file
348 system; it pre-allocates disk blocks to this directory to lighten the
349 task of <command>e2fsck</command></para>
350 <indexterm zone="ch-system-e2fsprogs mklost-found">
351 <primary sortas="b-mklost+found">mklost+found</primary>
352 </indexterm>
353 </listitem>
354 </varlistentry>
355
356 <varlistentry id="resize2fs">
357 <term><command>resize2fs</command></term>
358 <listitem>
359 <para>Can be used to enlarge or shrink an <systemitem
360 class="filesystem">ext2</systemitem> file system</para>
361 <indexterm zone="ch-system-e2fsprogs resize2fs">
362 <primary sortas="b-resize2fs">resize2fs</primary>
363 </indexterm>
364 </listitem>
365 </varlistentry>
366
367 <varlistentry id="tune2fs">
368 <term><command>tune2fs</command></term>
369 <listitem>
370 <para>Adjusts tunable file system parameters on an <systemitem
371 class="filesystem">ext2</systemitem> file system</para>
372 <indexterm zone="ch-system-e2fsprogs tune2fs">
373 <primary sortas="b-tune2fs">tune2fs</primary>
374 </indexterm>
375 </listitem>
376 </varlistentry>
377
378 <varlistentry id="uuidgen">
379 <term><command>uuidgen</command></term>
380 <listitem>
381 <para>Creates new UUIDs. Each new UUID can reasonably be considered
382 unique among all UUIDs created, on the local system and on other
383 systems, in the past and in the future</para>
384 <indexterm zone="ch-system-e2fsprogs uuidgen">
385 <primary sortas="b-uuidgen">uuidgen</primary>
386 </indexterm>
387 </listitem>
388 </varlistentry>
389
390 <varlistentry id="libblkid">
391 <term><filename class="libraryfile">libblkid</filename></term>
392 <listitem>
393 <para>Contains routines for device identification and token
394 extraction</para>
395 <indexterm zone="ch-system-e2fsprogs libblkid">
396 <primary sortas="c-libblkid">libblkid</primary>
397 </indexterm>
398 </listitem>
399 </varlistentry>
400
401 <varlistentry id="libcom_err">
402 <term><filename class="libraryfile">libcom_err</filename></term>
403 <listitem>
404 <para>The common error display routine</para>
405 <indexterm zone="ch-system-e2fsprogs libcom_err">
406 <primary sortas="c-libcom_err">libcom_err</primary>
407 </indexterm>
408 </listitem>
409 </varlistentry>
410
411 <varlistentry id="libe2p">
412 <term><filename class="libraryfile">libe2p</filename></term>
413 <listitem>
414 <para>Used by <command>dumpe2fs</command>, <command>chattr</command>,
415 and <command>lsattr</command></para>
416 <indexterm zone="ch-system-e2fsprogs libe2p">
417 <primary sortas="c-libe2p">libe2p</primary>
418 </indexterm>
419 </listitem>
420 </varlistentry>
421
422 <varlistentry id="libext2fs">
423 <term><filename class="libraryfile">libext2fs</filename></term>
424 <listitem>
425 <para>Contains routines to enable user-level programs to manipulate an
426 <systemitem class="filesystem">ext2</systemitem> file system</para>
427 <indexterm zone="ch-system-e2fsprogs libext2fs">
428 <primary sortas="c-libext2fs">libext2fs</primary>
429 </indexterm>
430 </listitem>
431 </varlistentry>
432
433 <varlistentry id="libss">
434 <term><filename class="libraryfile">libss</filename></term>
435 <listitem>
436 <para>Used by <command>debugfs</command></para>
437 <indexterm zone="ch-system-e2fsprogs libss">
438 <primary sortas="c-libss">libss</primary>
439 </indexterm>
440 </listitem>
441 </varlistentry>
442
443 <varlistentry id="libuuid">
444 <term><filename class="libraryfile">libuuid</filename></term>
445 <listitem>
446 <para>Contains routines for generating unique identifiers for objects
447 that may be accessible beyond the local system</para>
448 <indexterm zone="ch-system-e2fsprogs libuuid">
449 <primary sortas="c-libuuid">libuuid</primary>
450 </indexterm>
451 </listitem>
452 </varlistentry>
453
454 </variablelist>
455
456 </sect2>
457
458</sect1>
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