[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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| 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 4 | %general-entities;
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| 5 | ]>
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[a001133] | 6 | <sect1 id="ch-system-e2fsprogs" xreflabel="E2fsprogs" role="wrap">
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[673b0d8] | 7 | <title>E2fsprogs-&e2fsprogs-version;</title>
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| 8 | <?dbhtml filename="e2fsprogs.html"?>
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| 9 |
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| 10 | <indexterm zone="ch-system-e2fsprogs"><primary sortas="a-E2fsprogs">E2fsprogs</primary></indexterm>
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[6370fa6] | 11 |
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[a001133] | 12 | <sect2 role="package"><title/>
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[5888299] | 13 | <para>The E2fsprogs package contains the utilities for handling the ext2
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[ab3b93b] | 14 | file system. It also supports the ext3 journaling file system.</para>
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[5888299] | 15 |
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[a001133] | 16 | <segmentedlist>
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| 17 | <segtitle>&buildtime;</segtitle>
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| 18 | <segtitle>&diskspace;</segtitle>
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[8250be1] | 19 | <seglistitem><seg>0.6 SBU</seg><seg>4.9 MB</seg></seglistitem>
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[a001133] | 20 | </segmentedlist>
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[673b0d8] | 21 |
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[a001133] | 22 | <segmentedlist>
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| 23 | <segtitle>E2fsprogs installation depends on</segtitle>
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| 24 | <seglistitem><seg>Bash, Binutils, Coreutils,
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| 25 | Diffutils, Gawk, GCC, Gettext, Glibc, Grep, Make, Sed, Texinfo</seg></seglistitem>
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| 26 | </segmentedlist>
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| 27 | </sect2>
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[3554fa3a] | 28 |
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[a001133] | 29 | <sect2 role="installation">
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[73aedd1d] | 30 | <title>Installation of E2fsprogs</title>
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| 31 |
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[8250be1] | 32 | <para>It is recommended to build E2fsprogs in a subdirectory of the source tree:
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| 33 | </para>
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| 34 |
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| 35 | <screen><userinput>mkdir build
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| 36 | cd build</userinput></screen>
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| 37 |
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[73aedd1d] | 38 | <para>Prepare E2fsprogs for compilation:</para>
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| 39 |
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[8250be1] | 40 | <screen><userinput>../configure --prefix=/usr --with-root-prefix="" \
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[9dfc02f] | 41 | --enable-elf-shlibs --disable-evms</userinput></screen>
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[73aedd1d] | 42 |
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| 43 | <para>The meaning of the configure options:</para>
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| 44 |
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[df8334f] | 45 | <variablelist>
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| 46 | <varlistentry>
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[e63529b] | 47 | <term><parameter>--with-root-prefix=""</parameter></term>
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| 48 | <listitem><para>Certain programs (such as the <command>e2fsck</command>
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| 49 | program) are considered essential programs.
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[73aedd1d] | 50 | When, for example, <filename class="directory">/usr</filename> isn't
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[a195a6c] | 51 | mounted, these essential programs have to be available. They belong in
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[73aedd1d] | 52 | directories like <filename class="directory">/lib</filename> and
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| 53 | <filename class="directory">/sbin</filename>. If this option isn't passed
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| 54 | to E2fsprogs's configure, the programs are placed in the
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| 55 | <filename class="directory">/usr</filename> directory, which is not what we
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| 56 | want.</para></listitem>
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[df8334f] | 57 | </varlistentry>
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[73aedd1d] | 58 |
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[df8334f] | 59 | <varlistentry>
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[e63529b] | 60 | <term><parameter>--enable-elf-shlibs</parameter></term>
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[df8334f] | 61 | <listitem><para>This creates
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[673b0d8] | 62 | the shared libraries which some programs in this package use.</para></listitem>
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[df8334f] | 63 | </varlistentry>
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[8250be1] | 64 |
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| 65 | <varlistentry>
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| 66 | <term><parameter>--disable-evms</parameter></term>
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| 67 | <listitem><para>This disables the building of the Enterprise Volume Management
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| 68 | System (EVMS) plugin. This plugin is not up-to-date with the latest EVMS
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| 69 | internal interfaces and EVMS is not installed as part of a base LFS system, so
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| 70 | the plugin is not required. See the
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| 71 | <ulink url="http://evms.sourceforge.net/">EVMS homepage</ulink> for more
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| 72 | information regarding EVMS itself.</para></listitem>
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| 73 | </varlistentry>
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[df8334f] | 74 | </variablelist>
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[73aedd1d] | 75 |
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| 76 | <para>Compile the package:</para>
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| 77 |
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| 78 | <screen><userinput>make</userinput></screen>
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| 79 |
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[9dfc02f] | 80 | <para>To test the results, issue:
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| 81 | <userinput>make check</userinput>.</para>
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[73aedd1d] | 82 |
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| 83 | <para>Install most of the package:</para>
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| 84 |
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| 85 | <screen><userinput>make install</userinput></screen>
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| 86 |
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[28501c7] | 87 | <para>Also install the shared libraries:</para>
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[73aedd1d] | 88 |
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| 89 | <screen><userinput>make install-libs</userinput></screen>
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| 90 |
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| 91 | </sect2>
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| 92 |
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[6370fa6] | 93 |
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[5888299] | 94 |
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[c6cb3aa] | 95 | <sect2 id="contents-e2fsprogs" role="content"><title>Contents of E2fsprogs</title>
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[673b0d8] | 96 |
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[c6cb3aa] | 97 | <segmentedlist>
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| 98 | <segtitle>Installed programs</segtitle>
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| 99 | <segtitle>Installed libraries</segtitle>
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| 100 | <seglistitem><seg>badblocks, blkid, chattr,
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[673b0d8] | 101 | compile_et, debugfs, dumpe2fs, e2fsck, e2image, e2label, findfs, fsck,
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| 102 | fsck.ext2, fsck.ext3, logsave, lsattr, mk_cmds, mke2fs, mkfs.ext2, mkfs.ext3,
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[c6cb3aa] | 103 | mklost+found, resize2fs, tune2fs and uuidgen.</seg>
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| 104 | <seg>libblkid.[a,so], libcom_err.[a,so], libe2p.[a,so], libext2fs.[a,so], libss.[a,so] and
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| 105 | libuuid.[a,so]</seg></seglistitem>
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| 106 | </segmentedlist>
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[673b0d8] | 107 |
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[c6cb3aa] | 108 | <variablelist><title>Short descriptions</title>
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[673b0d8] | 109 |
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[b8a819f] | 110 | <varlistentry id="badblocks">
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| 111 | <term><command>badblocks</command></term>
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[c6cb3aa] | 112 | <listitem>
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[673b0d8] | 113 | <indexterm zone="ch-system-e2fsprogs badblocks"><primary sortas="b-badblocks">badblocks</primary></indexterm>
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[c6cb3aa] | 114 | <para>searches a device (usually a disk partition) for bad blocks.</para>
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| 115 | </listitem>
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| 116 | </varlistentry>
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[673b0d8] | 117 |
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[b8a819f] | 118 | <varlistentry id="blkid">
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| 119 | <term><command>blkid</command></term>
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[c6cb3aa] | 120 | <listitem>
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[673b0d8] | 121 | <indexterm zone="ch-system-e2fsprogs blkid"><primary sortas="b-blkid">blkid</primary></indexterm>
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[c6cb3aa] | 122 | <para>is a command line utility to locate and print block device attributes.</para>
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| 123 | </listitem>
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| 124 | </varlistentry>
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[673b0d8] | 125 |
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[b8a819f] | 126 | <varlistentry id="chattr">
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| 127 | <term><command>chattr</command></term>
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[c6cb3aa] | 128 | <listitem>
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[673b0d8] | 129 | <indexterm zone="ch-system-e2fsprogs chattr"><primary sortas="b-chattr">chattr</primary></indexterm>
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[c6cb3aa] | 130 | <para>changes the attributes of files on a second extended (ext2) file system, and
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| 131 | also ext3 file systems, the journaling version of ext2 file systems.</para>
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| 132 | </listitem>
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| 133 | </varlistentry>
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| 134 |
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[b8a819f] | 135 | <varlistentry id="compile_et">
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| 136 | <term><command>compile_et</command></term>
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[c6cb3aa] | 137 | <listitem>
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[673b0d8] | 138 | <indexterm zone="ch-system-e2fsprogs compile_et"><primary sortas="b-compile_et">compile_et</primary></indexterm>
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[c6cb3aa] | 139 | <para>is an error table compiler. It
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[673b0d8] | 140 | converts a table of error-code names and messages into a C source file
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[e63529b] | 141 | suitable for use with the <filename class="libraryfile">com_err</filename> library.</para>
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[c6cb3aa] | 142 | </listitem>
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| 143 | </varlistentry>
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[673b0d8] | 144 |
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[b8a819f] | 145 | <varlistentry id="debugfs">
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| 146 | <term><command>debugfs</command></term>
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[c6cb3aa] | 147 | <listitem>
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[673b0d8] | 148 | <indexterm zone="ch-system-e2fsprogs debugfs"><primary sortas="b-debugfs">debugfs</primary></indexterm>
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[c6cb3aa] | 149 | <para>is a file system debugger. It can be
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[673b0d8] | 150 | used to examine and change the state of an ext2 file system.</para>
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[c6cb3aa] | 151 | </listitem>
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| 152 | </varlistentry>
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[673b0d8] | 153 |
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[b8a819f] | 154 | <varlistentry id="dumpe2fs">
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| 155 | <term><command>dumpe2fs</command></term>
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[c6cb3aa] | 156 | <listitem>
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[673b0d8] | 157 | <indexterm zone="ch-system-e2fsprogs dumpe2fs"><primary sortas="b-dumpe2fs">dumpe2fs</primary></indexterm>
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[c6cb3aa] | 158 | <para>prints the super block and blocks group
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[673b0d8] | 159 | information for the file system present on a given device.</para>
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[c6cb3aa] | 160 | </listitem>
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| 161 | </varlistentry>
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[673b0d8] | 162 |
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[b8a819f] | 163 | <varlistentry id="e2fsck">
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| 164 | <term><command>e2fsck</command></term>
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[c6cb3aa] | 165 | <listitem>
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[673b0d8] | 166 | <indexterm zone="ch-system-e2fsprogs e2fsck"><primary sortas="b-e2fsck">e2fsck</primary></indexterm>
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[c6cb3aa] | 167 | <para>is used to check, and optionally repair,
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[673b0d8] | 168 | second extended (ext2) file systems, and also ext3 file systems.</para>
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[c6cb3aa] | 169 | </listitem>
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| 170 | </varlistentry>
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[673b0d8] | 171 |
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[b8a819f] | 172 | <varlistentry id="e2image">
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| 173 | <term><command>e2image</command></term>
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[c6cb3aa] | 174 | <listitem>
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[673b0d8] | 175 | <indexterm zone="ch-system-e2fsprogs e2image"><primary sortas="b-e2image">e2image</primary></indexterm>
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[c6cb3aa] | 176 | <para>is used to save critical ext2 file system data to a file.</para>
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| 177 | </listitem>
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| 178 | </varlistentry>
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[673b0d8] | 179 |
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[b8a819f] | 180 | <varlistentry id="e2label">
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| 181 | <term><command>e2label</command></term>
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[c6cb3aa] | 182 | <listitem>
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[673b0d8] | 183 | <indexterm zone="ch-system-e2fsprogs e2label"><primary sortas="b-e2label">e2label</primary></indexterm>
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[c6cb3aa] | 184 | <para>will display or change the file system
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[673b0d8] | 185 | label on the ext2 file system present on a given device.</para>
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[c6cb3aa] | 186 | </listitem>
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| 187 | </varlistentry>
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[673b0d8] | 188 |
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[b8a819f] | 189 | <varlistentry id="findfs">
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| 190 | <term><command>findfs</command></term>
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[c6cb3aa] | 191 | <listitem>
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[673b0d8] | 192 | <indexterm zone="ch-system-e2fsprogs findfs"><primary sortas="b-findfs">findfs</primary></indexterm>
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[c6cb3aa] | 193 | <para>finds a file system by label or UUID (Universally Unique Identifier).</para>
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| 194 | </listitem>
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| 195 | </varlistentry>
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[673b0d8] | 196 |
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[b8a819f] | 197 | <varlistentry id="fsck">
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| 198 | <term><command>fsck</command></term>
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[c6cb3aa] | 199 | <listitem>
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[673b0d8] | 200 | <indexterm zone="ch-system-e2fsprogs fsck"><primary sortas="b-fsck">fsck</primary></indexterm>
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[c6cb3aa] | 201 | <para>is used to check, and optionally repair, file systems. By default it checks the
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| 202 | file systems listed in <filename>/etc/fstab</filename></para>
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| 203 | </listitem>
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| 204 | </varlistentry>
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| 205 |
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[b8a819f] | 206 | <varlistentry id="logsave">
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| 207 | <term><command>logsave</command></term>
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[c6cb3aa] | 208 | <listitem>
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[673b0d8] | 209 | <indexterm zone="ch-system-e2fsprogs logsave"><primary sortas="b-logsave">logsave</primary></indexterm>
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[c6cb3aa] | 210 | <para>saves the output of a command in a log file.</para>
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| 211 | </listitem>
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| 212 | </varlistentry>
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[673b0d8] | 213 |
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[b8a819f] | 214 | <varlistentry id="lsattr">
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| 215 | <term><command>lsattr</command></term>
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[c6cb3aa] | 216 | <listitem>
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[673b0d8] | 217 | <indexterm zone="ch-system-e2fsprogs lsattr"><primary sortas="b-lsattr">lsattr</primary></indexterm>
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[c6cb3aa] | 218 | <para>lists the attributes of files on a second extended file system.</para>
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| 219 | </listitem>
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| 220 | </varlistentry>
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[673b0d8] | 221 |
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[b8a819f] | 222 | <varlistentry id="mk_cmds">
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| 223 | <term><command>mk_cmds</command></term>
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[c6cb3aa] | 224 | <listitem>
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[673b0d8] | 225 | <indexterm zone="ch-system-e2fsprogs mk_cmds"><primary sortas="b-mk_cmds">mk_cmds</primary></indexterm>
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[c6cb3aa] | 226 | <para>converts a table of command names
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[673b0d8] | 227 | and help messages into a C source file suitable for use with the
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[e63529b] | 228 | <filename class="libraryfile">libss</filename> subsystem library.</para>
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[c6cb3aa] | 229 | </listitem>
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| 230 | </varlistentry>
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[673b0d8] | 231 |
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[b8a819f] | 232 | <varlistentry id="mke2fs">
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| 233 | <term><command>mke2fs</command></term>
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[c6cb3aa] | 234 | <listitem>
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[673b0d8] | 235 | <indexterm zone="ch-system-e2fsprogs mke2fs"><primary sortas="b-mke2fs">mke2fs</primary></indexterm>
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[c6cb3aa] | 236 | <para>is used to create a second extended file system on the given device.</para>
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| 237 | </listitem>
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| 238 | </varlistentry>
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[673b0d8] | 239 |
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[b8a819f] | 240 | <varlistentry id="mklost-found">
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| 241 | <term><command>mklost+found</command></term>
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[c6cb3aa] | 242 | <listitem>
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[673b0d8] | 243 | <indexterm zone="ch-system-e2fsprogs mklost-found"><primary sortas="b-mklost+found">mklost+found</primary></indexterm>
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[c6cb3aa] | 244 | <para>is used to create a
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[e63529b] | 245 | <filename class="directory">lost+found</filename> directory on a second extended file system.
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[673b0d8] | 246 | It pre-allocates disk blocks to this directory to lighten the task of e2fsck.</para>
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[c6cb3aa] | 247 | </listitem>
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| 248 | </varlistentry>
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[673b0d8] | 249 |
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[b8a819f] | 250 | <varlistentry id="resize2fs">
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| 251 | <term><command>resize2fs</command></term>
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[c6cb3aa] | 252 | <listitem>
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[673b0d8] | 253 | <indexterm zone="ch-system-e2fsprogs resize2fs"><primary sortas="b-resize2fs">resize2fs</primary></indexterm>
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[c6cb3aa] | 254 | <para>can be used to enlarge or shrink an ext2 file system.</para>
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| 255 | </listitem>
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| 256 | </varlistentry>
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[673b0d8] | 257 |
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[b8a819f] | 258 | <varlistentry id="tune2fs">
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| 259 | <term><command>tune2fs</command></term>
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[c6cb3aa] | 260 | <listitem>
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[673b0d8] | 261 | <indexterm zone="ch-system-e2fsprogs tune2fs"><primary sortas="b-tune2fs">tune2fs</primary></indexterm>
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[c6cb3aa] | 262 | <para>is used adjust tunable file system
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[673b0d8] | 263 | parameters on a second extended file system.</para>
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[c6cb3aa] | 264 | </listitem>
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| 265 | </varlistentry>
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[673b0d8] | 266 |
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[b8a819f] | 267 | <varlistentry id="uuidgen">
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| 268 | <term><command>uuidgen</command></term>
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[c6cb3aa] | 269 | <listitem>
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[673b0d8] | 270 | <indexterm zone="ch-system-e2fsprogs uuidgen"><primary sortas="b-uuidgen">uuidgen</primary></indexterm>
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[c6cb3aa] | 271 | <para>creates new UUID. Each new UUID can reasonably be considered unique
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[673b0d8] | 272 | among all UUIDs created, on the local system and on other systems, in the
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| 273 | past and in the future.</para>
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[c6cb3aa] | 274 | </listitem>
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| 275 | </varlistentry>
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[673b0d8] | 276 |
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[b8a819f] | 277 | <varlistentry id="libblkid">
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[e63529b] | 278 | <term><filename class="libraryfile">libblkid</filename></term>
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[c6cb3aa] | 279 | <listitem>
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[673b0d8] | 280 | <indexterm zone="ch-system-e2fsprogs libblkid"><primary sortas="c-libblkid">libblkid</primary></indexterm>
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[c6cb3aa] | 281 | <para>contains routines for device identification and token extraction.</para>
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| 282 | </listitem>
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| 283 | </varlistentry>
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[673b0d8] | 284 |
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[b8a819f] | 285 | <varlistentry id="libcom_err">
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[e63529b] | 286 | <term><filename class="libraryfile">libcom_err</filename></term>
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[c6cb3aa] | 287 | <listitem>
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[673b0d8] | 288 | <indexterm zone="ch-system-e2fsprogs libcom_err"><primary sortas="c-libcom_err">libcom_err</primary></indexterm>
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[c6cb3aa] | 289 | <para>is the common error display routine.</para>
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| 290 | </listitem>
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| 291 | </varlistentry>
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[673b0d8] | 292 |
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[b8a819f] | 293 | <varlistentry id="libe2p">
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[e63529b] | 294 | <term><filename class="libraryfile">libe2p</filename></term>
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[c6cb3aa] | 295 | <listitem>
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[673b0d8] | 296 | <indexterm zone="ch-system-e2fsprogs libe2p"><primary sortas="c-libe2p">libe2p</primary></indexterm>
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[c6cb3aa] | 297 | <para>is used by dumpe2fs, chattr, and lsattr.</para>
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| 298 | </listitem>
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| 299 | </varlistentry>
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[673b0d8] | 300 |
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[b8a819f] | 301 | <varlistentry id="libext2fs">
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[e63529b] | 302 | <term><filename class="libraryfile">libext2fs</filename></term>
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[c6cb3aa] | 303 | <listitem>
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[673b0d8] | 304 | <indexterm zone="ch-system-e2fsprogs libext2fs"><primary sortas="c-libext2fs">libext2fs</primary></indexterm>
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[c6cb3aa] | 305 | <para>contains routines to enable user-level
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[673b0d8] | 306 | programs to manipulate an ext2 file system.</para>
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[c6cb3aa] | 307 | </listitem>
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| 308 | </varlistentry>
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[673b0d8] | 309 |
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[b8a819f] | 310 | <varlistentry id="libss">
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[e63529b] | 311 | <term><filename class="libraryfile">libss</filename></term>
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[c6cb3aa] | 312 | <listitem>
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[673b0d8] | 313 | <indexterm zone="ch-system-e2fsprogs libss"><primary sortas="c-libss">libss</primary></indexterm>
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[e63529b] | 314 | <para>is used by <command>debugfs</command>.</para>
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[c6cb3aa] | 315 | </listitem>
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| 316 | </varlistentry>
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[673b0d8] | 317 |
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[b8a819f] | 318 | <varlistentry id="libuuid">
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[e63529b] | 319 | <term><filename class="libraryfile">libuuid</filename></term>
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[c6cb3aa] | 320 | <listitem>
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[673b0d8] | 321 | <indexterm zone="ch-system-e2fsprogs libuuid"><primary sortas="c-libuuid">libuuid</primary></indexterm>
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[c6cb3aa] | 322 | <para>contains routines for generating unique
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[673b0d8] | 323 | identifiers for objects that may be accessible beyond the local system.</para>
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[c6cb3aa] | 324 | </listitem>
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| 325 | </varlistentry>
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| 326 | </variablelist>
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[673b0d8] | 327 |
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| 328 | </sect2>
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| 329 |
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| 330 | </sect1>
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