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authorBruce Dubbs <bdubbs@linuxfromscratch.org>2020-06-07 20:16:00 +0000
committerBruce Dubbs <bdubbs@linuxfromscratch.org>2020-06-07 20:16:00 +0000
commitfcc027677da55c41dcaea045f5b9ff8b088e6495 (patch)
tree42500a7858959695b971e7f28f1d0bf33185db2e /chapter06/e2fsprogs.xml
parentd53fefab5a6772fef606392a61608fc290e6a7ae (diff)
Initial commit of alternative cross LFS
git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/cross2@11897 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
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-<?xml version="1.0" encoding="ISO-8859-1"?>
-<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
- "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
- <!ENTITY % general-entities SYSTEM "../general.ent">
- %general-entities;
-]>
-
-<sect1 id="ch-system-e2fsprogs" role="wrap">
- <?dbhtml filename="e2fsprogs.html"?>
-
- <sect1info condition="script">
- <productname>e2fsprogs</productname>
- <productnumber>&e2fsprogs-version;</productnumber>
- <address>&e2fsprogs-url;</address>
- </sect1info>
-
- <title>E2fsprogs-&e2fsprogs-version;</title>
-
- <indexterm zone="ch-system-e2fsprogs">
- <primary sortas="a-E2fsprogs">E2fsprogs</primary>
- </indexterm>
-
- <sect2 role="package">
- <title/>
-
- <para>The E2fsprogs package contains the utilities for handling the
- <systemitem class="filesystem">ext2</systemitem> file system. It also
- supports the <systemitem class="filesystem">ext3</systemitem> and
- <systemitem class="filesystem">ext4</systemitem> journaling
- file systems.</para>
-
- <segmentedlist>
- <segtitle>&buildtime;</segtitle>
- <segtitle>&diskspace;</segtitle>
-
- <seglistitem>
- <seg>&e2fsprogs-ch6-sbu;</seg>
- <seg>&e2fsprogs-ch6-du;</seg>
- </seglistitem>
- </segmentedlist>
-
- </sect2>
-
- <sect2 role="installation">
- <title>Installation of E2fsprogs</title>
-
- <para>The E2fsprogs documentation recommends that the package be built in
- a subdirectory of the source tree: </para>
-
-<screen><userinput remap="pre">mkdir -v build
-cd build</userinput></screen>
-
- <para>Prepare E2fsprogs for compilation:</para>
-
-<screen><userinput remap="configure">../configure --prefix=/usr \
- --bindir=/bin \
- --with-root-prefix="" \
- --enable-elf-shlibs \
- --disable-libblkid \
- --disable-libuuid \
- --disable-uuidd \
- --disable-fsck</userinput></screen>
-
- <variablelist>
- <title>The meaning of the environment variable and configure options:</title>
-
- <varlistentry>
- <term><parameter>--with-root-prefix=""</parameter> and
- <parameter>--bindir=/bin</parameter></term>
- <listitem>
- <para>Certain programs (such as the <command>e2fsck</command>
- program) are considered essential programs. When, for example,
- <filename class="directory">/usr</filename> is not mounted, these
- programs still need to be available. They belong in directories
- like <filename class="directory">/lib</filename> and <filename
- class="directory">/sbin</filename>. If this option is not passed
- to E2fsprogs' configure, the programs are installed into the
- <filename class="directory">/usr</filename> directory.</para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><parameter>--enable-elf-shlibs</parameter></term>
- <listitem>
- <para>This creates the shared libraries which some programs
- in this package use.</para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><parameter>--disable-*</parameter></term>
- <listitem>
- <para>This prevents E2fsprogs from building and installing the
- <systemitem class="library">libuuid</systemitem> and
- <systemitem class="library">libblkid</systemitem> libraries, the
- <systemitem class="daemon">uuidd</systemitem> daemon, and the
- <command>fsck</command> wrapper, as Util-Linux installs more
- recent versions.</para>
- </listitem>
- </varlistentry>
-
- </variablelist>
-
- <para>Compile the package:</para>
-
-<screen><userinput remap="make">make</userinput></screen>
-
- <para>To run the tests, issue:</para>
-
-<screen><userinput remap="test">make check</userinput></screen>
-
- <para>One of the E2fsprogs tests will attempt to allocate 256 MB of memory.
- If you do not have significantly more RAM than this, be sure to enable
- sufficient swap space for the test. See <xref
- linkend="ch-partitioning-creatingfilesystem"/> and <xref
- linkend="ch-partitioning-mounting"/>
- for details on creating and enabling swap space.</para>
-
- <para>Install the package:</para>
-
-<screen><userinput remap="install">make install</userinput></screen>
-
- <para>Make the installed static libraries writable so debugging symbols can
- be removed later:</para>
-
-<screen><userinput remap="install">chmod -v u+w /usr/lib/{libcom_err,libe2p,libext2fs,libss}.a</userinput></screen>
-
- <para>This package installs a gzipped
- <filename class="extension">.info</filename> file but doesn't update the
- system-wide <filename>dir</filename> file. Unzip this file and then update
- the system <filename>dir</filename> file using the following
- commands:</para>
-
-<screen><userinput remap="install">gunzip -v /usr/share/info/libext2fs.info.gz
-install-info --dir-file=/usr/share/info/dir /usr/share/info/libext2fs.info</userinput></screen>
-
- <para>If desired, create and install some additional documentation by
- issuing the following commands:</para>
-
-<screen><userinput remap="install">makeinfo -o doc/com_err.info ../lib/et/com_err.texinfo
-install -v -m644 doc/com_err.info /usr/share/info
-install-info --dir-file=/usr/share/info/dir /usr/share/info/com_err.info</userinput></screen>
- </sect2>
-
- <sect2 id="contents-e2fsprogs" role="content">
- <title>Contents of E2fsprogs</title>
-
- <segmentedlist>
- <segtitle>Installed programs</segtitle>
- <segtitle>Installed libraries</segtitle>
- <segtitle>Installed directories</segtitle>
-
- <seglistitem>
- <seg>badblocks, chattr, compile_et, debugfs, dumpe2fs, e2freefrag,
- e2fsck, e2image, e2label, e2mmpstatus, e2scrub, e2scrub_all, e2undo,
- e4crypt, e4defrag, filefrag, fsck.ext2,
- fsck.ext3, fsck.ext4, logsave, lsattr, mk_cmds, mke2fs,
- mkfs.ext2, mkfs.ext3, mkfs.ext4, mklost+found,
- resize2fs, and tune2fs</seg>
- <seg>libcom_err.so, libe2p.so, libext2fs.so, and libss.so</seg>
- <seg>/usr/include/e2p, /usr/include/et, /usr/include/ext2fs,
- /usr/include/ss, /usr/lib/e2fsprogs, /usr/share/et, and
- /usr/share/ss</seg>
- </seglistitem>
- </segmentedlist>
-
- <variablelist>
- <bridgehead renderas="sect3">Short Descriptions</bridgehead>
- <?dbfo list-presentation="list"?>
- <?dbhtml list-presentation="table"?>
-
- <varlistentry id="badblocks">
- <term><command>badblocks</command></term>
- <listitem>
- <para>Searches a device (usually a disk partition) for bad
- blocks</para>
- <indexterm zone="ch-system-e2fsprogs badblocks">
- <primary sortas="b-badblocks">badblocks</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="chattr">
- <term><command>chattr</command></term>
- <listitem>
- <para>Changes the attributes of files on an <systemitem
- class="filesystem">ext2</systemitem> file system; it also
- changes <systemitem class="filesystem">ext3</systemitem>
- file systems, the journaling version of <systemitem
- class="filesystem">ext2</systemitem> file systems</para>
- <indexterm zone="ch-system-e2fsprogs chattr">
- <primary sortas="b-chattr">chattr</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="compile_et">
- <term><command>compile_et</command></term>
- <listitem>
- <para>An error table compiler; it converts a table of error-code
- names and messages into a C source file suitable for use with the
- <filename class="libraryfile">com_err</filename> library</para>
- <indexterm zone="ch-system-e2fsprogs compile_et">
- <primary sortas="b-compile_et">compile_et</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="debugfs">
- <term><command>debugfs</command></term>
- <listitem>
- <para>A file system debugger; it can be used to examine and change
- the state of an <systemitem class="filesystem">ext2</systemitem>
- file system</para>
- <indexterm zone="ch-system-e2fsprogs debugfs">
- <primary sortas="b-debugfs">debugfs</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="dumpe2fs">
- <term><command>dumpe2fs</command></term>
- <listitem>
- <para>Prints the super block and blocks group information for the
- file system present on a given device</para>
- <indexterm zone="ch-system-e2fsprogs dumpe2fs">
- <primary sortas="b-dumpe2fs">dumpe2fs</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2freefrag">
- <term><command>e2freefrag</command></term>
- <listitem>
- <para>Reports free space fragmentation information</para>
- <indexterm zone="ch-system-e2fsprogs e2freefrag">
- <primary sortas="b-e2freefrag">e2freefrag</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2fsck">
- <term><command>e2fsck</command></term>
- <listitem>
- <para>Is used to check, and optionally repair <systemitem
- class="filesystem">ext2</systemitem> file systems and <systemitem
- class="filesystem">ext3</systemitem> file systems</para>
- <indexterm zone="ch-system-e2fsprogs e2fsck">
- <primary sortas="b-e2fsck">e2fsck</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2image">
- <term><command>e2image</command></term>
- <listitem>
- <para>Is used to save critical <systemitem
- class="filesystem">ext2</systemitem> file system data to a file</para>
- <indexterm zone="ch-system-e2fsprogs e2image">
- <primary sortas="b-e2image">e2image</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2label">
- <term><command>e2label</command></term>
- <listitem>
- <para>Displays or changes the file system label on the <systemitem
- class="filesystem">ext2</systemitem> file system present on a given
- device</para>
- <indexterm zone="ch-system-e2fsprogs e2label">
- <primary sortas="b-e2label">e2label</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2mmpstatus">
- <term><command>e2mmpstatus</command></term>
- <listitem>
- <para>Checks MMP status of an ext4 filesystem</para>
- <indexterm zone="ch-system-e2fsprogs e2mmpstatus">
- <primary sortas="b-e2mmpstatus">e2mmpstatus</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2scrub">
- <term><command>e2scrub</command></term>
- <listitem>
- <para>Checks the contents of a mounted ext[234] filesystem</para>
- <indexterm zone="ch-system-e2fsprogs e2scrub">
- <primary sortas="b-e2scrub">e2scrub</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2scrub_all">
- <term><command>e2scrub_all</command></term>
- <listitem>
- <para>Checks all mounted ext[234] filesystems for errors</para>
- <indexterm zone="ch-system-e2fsprogs e2scrub_all">
- <primary sortas="b-e2scrub_all">e2scrub_all</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e2undo">
- <term><command>e2undo</command></term>
- <listitem>
- <para>Replays the undo log undo_log for an ext2/ext3/ext4 filesystem
- found on a device [This can be used to undo a failed operation by an
- e2fsprogs program.]</para>
- <indexterm zone="ch-system-e2fsprogs e2undo">
- <primary sortas="b-e2undo">e2undo</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e4crypt">
- <term><command>e4crypt</command></term>
- <listitem>
- <para>Ext4 filesystem encryption utility</para>
- <indexterm zone="ch-system-e2fsprogs e4crypt">
- <primary sortas="b-e4crypt">e4crypt</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="e4defrag">
- <term><command>e4defrag</command></term>
- <listitem>
- <para>Online defragmenter for ext4 filesystems</para>
- <indexterm zone="ch-system-e2fsprogs e4defrag">
- <primary sortas="b-e4defrag">e4defrag</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="filefrag">
- <term><command>filefrag</command></term>
- <listitem>
- <para>Reports on how badly fragmented a particular file might be</para>
- <indexterm zone="ch-system-e2fsprogs filefrag">
- <primary sortas="b-filefrag">filefrag</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="fsck.ext2">
- <term><command>fsck.ext2</command></term>
- <listitem>
- <para>By default checks <systemitem class="filesystem">ext2</systemitem>
- file systems and is a hard link to <command>e2fsck</command></para>
- <indexterm zone="ch-system-e2fsprogs fsck.ext2">
- <primary sortas="b-fsck.ext2">fsck.ext2</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="fsck.ext3">
- <term><command>fsck.ext3</command></term>
- <listitem>
- <para>By default checks <systemitem class="filesystem">ext3</systemitem>
- file systems and is a hard link to <command>e2fsck</command></para>
- <indexterm zone="ch-system-e2fsprogs fsck.ext3">
- <primary sortas="b-fsck.ext3">fsck.ext3</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="fsck.ext4">
- <term><command>fsck.ext4</command></term>
- <listitem>
- <para>By default checks <systemitem class="filesystem">ext4</systemitem>
- file systems and is a hard link to <command>e2fsck</command></para>
- <indexterm zone="ch-system-e2fsprogs fsck.ext4">
- <primary sortas="b-fsck.ext4">fsck.ext4</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="logsave">
- <term><command>logsave</command></term>
- <listitem>
- <para>Saves the output of a command in a log file</para>
- <indexterm zone="ch-system-e2fsprogs logsave">
- <primary sortas="b-logsave">logsave</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="lsattr">
- <term><command>lsattr</command></term>
- <listitem>
- <para>Lists the attributes of files on a second extended file
- system</para>
- <indexterm zone="ch-system-e2fsprogs lsattr">
- <primary sortas="b-lsattr">lsattr</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="mk_cmds">
- <term><command>mk_cmds</command></term>
- <listitem>
- <para>Converts a table of command names and help messages into a C
- source file suitable for use with the <filename
- class="libraryfile">libss</filename> subsystem library</para>
- <indexterm zone="ch-system-e2fsprogs mk_cmds">
- <primary sortas="b-mk_cmds">mk_cmds</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="mke2fs">
- <term><command>mke2fs</command></term>
- <listitem>
- <para>Creates an <systemitem class="filesystem">ext2</systemitem>
- or <systemitem class="filesystem">ext3</systemitem> file system on
- the given device</para>
- <indexterm zone="ch-system-e2fsprogs mke2fs">
- <primary sortas="b-mke2fs">mke2fs</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="mkfs.ext2">
- <term><command>mkfs.ext2</command></term>
- <listitem>
- <para>By default creates <systemitem class="filesystem">ext2</systemitem>
- file systems and is a hard link to <command>mke2fs</command></para>
- <indexterm zone="ch-system-e2fsprogs mkfs.ext2">
- <primary sortas="b-mkfs.ext2">mkfs.ext2</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="mkfs.ext3">
- <term><command>mkfs.ext3</command></term>
- <listitem>
- <para>By default creates <systemitem class="filesystem">ext3</systemitem>
- file systems and is a hard link to <command>mke2fs</command></para>
- <indexterm zone="ch-system-e2fsprogs mkfs.ext3">
- <primary sortas="b-mkfs.ext3">mkfs.ext3</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="mkfs.ext4">
- <term><command>mkfs.ext4</command></term>
- <listitem>
- <para>By default creates <systemitem class="filesystem">ext4</systemitem>
- file systems and is a hard link to <command>mke2fs</command></para>
- <indexterm zone="ch-system-e2fsprogs mkfs.ext4">
- <primary sortas="b-mkfs.ext4">mkfs.ext4</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="mklost-found">
- <term><command>mklost+found</command></term>
- <listitem>
- <para>Used to create a <filename class="directory">lost+found</filename>
- directory on an <systemitem class="filesystem">ext2</systemitem> file
- system; it pre-allocates disk blocks to this directory to lighten the
- task of <command>e2fsck</command></para>
- <indexterm zone="ch-system-e2fsprogs mklost-found">
- <primary sortas="b-mklost+found">mklost+found</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="resize2fs">
- <term><command>resize2fs</command></term>
- <listitem>
- <para>Can be used to enlarge or shrink an <systemitem
- class="filesystem">ext2</systemitem> file system</para>
- <indexterm zone="ch-system-e2fsprogs resize2fs">
- <primary sortas="b-resize2fs">resize2fs</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="tune2fs">
- <term><command>tune2fs</command></term>
- <listitem>
- <para>Adjusts tunable file system parameters on an <systemitem
- class="filesystem">ext2</systemitem> file system</para>
- <indexterm zone="ch-system-e2fsprogs tune2fs">
- <primary sortas="b-tune2fs">tune2fs</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="libcom_err">
- <term><filename class="libraryfile">libcom_err</filename></term>
- <listitem>
- <para>The common error display routine</para>
- <indexterm zone="ch-system-e2fsprogs libcom_err">
- <primary sortas="c-libcom_err">libcom_err</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="libe2p">
- <term><filename class="libraryfile">libe2p</filename></term>
- <listitem>
- <para>Used by <command>dumpe2fs</command>, <command>chattr</command>,
- and <command>lsattr</command></para>
- <indexterm zone="ch-system-e2fsprogs libe2p">
- <primary sortas="c-libe2p">libe2p</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="libext2fs">
- <term><filename class="libraryfile">libext2fs</filename></term>
- <listitem>
- <para>Contains routines to enable user-level programs to manipulate an
- <systemitem class="filesystem">ext2</systemitem> file system</para>
- <indexterm zone="ch-system-e2fsprogs libext2fs">
- <primary sortas="c-libext2fs">libext2fs</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- <varlistentry id="libss">
- <term><filename class="libraryfile">libss</filename></term>
- <listitem>
- <para>Used by <command>debugfs</command></para>
- <indexterm zone="ch-system-e2fsprogs libss">
- <primary sortas="c-libss">libss</primary>
- </indexterm>
- </listitem>
- </varlistentry>
-
- </variablelist>
-
- </sect2>
-
-</sect1>