mirror of
https://git.linuxfromscratch.org/lfs.git
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1a96a4ed26
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10800 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
245 lines
8.0 KiB
XML
245 lines
8.0 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-eudev" role="wrap">
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<?dbhtml filename="eudev.html"?>
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<sect1info condition="script">
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<productname>eudev</productname>
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<productnumber>&eudev-version;</productnumber>
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<address>&eudev-url;</address>
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</sect1info>
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<title>Eudev-&eudev-version;</title>
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<indexterm zone="ch-system-eudev">
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<primary sortas="a-Eudev">Eudev</primary>
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</indexterm>
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<sect2 role="package">
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<title/>
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<para>The Eudev package contains programs for dynamic creation of device
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nodes.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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<seglistitem>
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<seg>&eudev-ch6-sbu;</seg>
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<seg>&eudev-ch6-du;</seg>
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</seglistitem>
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</segmentedlist>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Eudev</title>
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<para>First, fix a test script:</para>
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<screen><userinput remap="pre">sed -r -i 's|/usr(/bin/test)|\1|' test/udev-test.pl</userinput></screen>
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<para>Prepare Eudev for compilation:</para>
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<screen><userinput remap="configure">BLKID_CFLAGS=-I/tools/include \
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BLKID_LIBS='-L/tools/lib -lblkid' \
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./configure --prefix=/usr \
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--bindir=/sbin \
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--sbindir=/sbin \
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--libdir=/usr/lib \
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--sysconfdir=/etc \
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--libexecdir=/lib \
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--with-rootprefix= \
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--with-rootlibdir=/lib \
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--enable-split-usr \
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--enable-libkmod \
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--enable-rule_generator \
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--enable-keymap \
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--disable-introspection \
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--disable-gudev \
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--disable-gtk-doc-html \
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--with-firmware-path=/lib/firmware </userinput></screen>
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<para>Compile the package:</para>
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<screen><userinput remap="make">make</userinput></screen>
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<para>Create some directories now that are needed for tests, but
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will also be used as a part of installation:</para>
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<screen><userinput remap="test">mkdir -pv /lib/udev/rules.d
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mkdir -pv /etc/udev/rules.d</userinput></screen>
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<para>To test the results, issue:</para>
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<screen><userinput remap="test">make check</userinput></screen>
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<para>Install the package:</para>
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<screen><userinput remap="install">make install</userinput></screen>
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<para>Now, install the man pages:</para>
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<screen><userinput remap="install">tar -xvf ../eudev-&eudev-version;-manpages.tar.bz2 -C /usr/share</userinput></screen>
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<para>Finally, install some custom rules and support files useful in an LFS
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environment:</para>
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<screen><userinput remap="install">tar -xvf ../&udev-lfs-version;.tar.bz2
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make -f &udev-lfs-version;/Makefile.lfs install</userinput></screen>
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</sect2>
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<sect2 id="conf-eudev" role="configuration">
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<title>Configuring Eudev</title>
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<indexterm zone="conf-eudev">
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<primary sortas="a-Eudev">Eudev</primary>
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<secondary>configuring</secondary>
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</indexterm>
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<indexterm zone="conf-eudev">
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<primary sortas="e-/etc/udev/hwdb.bin">/etc/udev/hwdb.bin</primary>
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</indexterm>
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<para>Information about hardware devices is maintained in the
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<filename class="directory">/etc/udev/hwdb.d</filename> and
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<filename class="directory">/usr/lib/udev/hwdb.d</filename> directories.
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<application>Eudev</application> needs that information to be compiled
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into a binary database <filename>/etc/udev/hwdb.bin</filename>. Create the
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initial database:</para>
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<screen><userinput>udevadm hwdb --update</userinput></screen>
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<para>This command needs to be run each time the hardware information is
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updated.</para>
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</sect2>
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<sect2 id="contents-eudev" role="content">
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<title>Contents of Eudev</title>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<segtitle>Installed libraries</segtitle>
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<segtitle>Installed directories</segtitle>
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<seglistitem>
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<seg><!-- These are in /lib/udev and not to be called by the user:
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accelerometer, ata_id, cdrom_id, collect, mtd_probe,
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scsi_id, v4l_id,--> udevadm and udevd</seg>
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<seg>libudev.so</seg>
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<seg>/etc/udev, /lib/udev, and /lib/firmware</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<!--
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<varlistentry id="ata_id">
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<term><command>ata_id</command></term>
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<listitem>
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<para>Provides Udev with a unique string and
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additional information (uuid, label) for an ATA drive</para>
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<indexterm zone="ch-system-eudev ata_id">
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<primary sortas="b-ata_id">ata_id</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="cdrom_id">
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<term><command>cdrom_id</command></term>
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<listitem>
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<para>Provides Udev with the capabilities of a
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CD-ROM or DVD-ROM drive</para>
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<indexterm zone="ch-system-eudev cdrom_id">
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<primary sortas="b-cdrom_id">cdrom_id</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="collect">
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<term><command>collect</command></term>
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<listitem>
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<para>Given an ID for the current uevent and a list of
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IDs (for all target uevents), registers the current ID
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and indicates whether all target IDs have been registered</para>
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<indexterm zone="ch-system-eudev collect">
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<primary sortas="b-collect">collect</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="scsi_id">
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<term><command>scsi_id</command></term>
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<listitem>
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<para>Provides Udev with a unique SCSI identifier
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based on the data returned from sending a SCSI INQUIRY command to
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the specified device</para>
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<indexterm zone="ch-system-eudev scsi_id">
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<primary sortas="b-scsi_id">scsi_id</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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-->
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<varlistentry id="udevadm">
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<term><command>udevadm</command></term>
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<listitem>
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<para>Generic udev administration tool: controls the udevd daemon,
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provides info from the Udev database, monitors uevents, waits for
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uevents to finish, tests Udev configuration, and triggers uevents
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for a given device</para>
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<indexterm zone="ch-system-eudev udevadm">
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<primary sortas="b-udevadm">udevadm</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="udevd">
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<term><command>udevd</command></term>
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<listitem>
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<para>A daemon that listens for uevents on the netlink socket,
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creates devices and runs the configured external programs in
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response to these uevents</para>
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<indexterm zone="ch-system-eudev udevd">
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<primary sortas="b-udevd">udevd</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libudev">
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<term><filename class="libraryfile">libudev</filename></term>
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<listitem>
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<para>A library interface to udev device information</para>
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<indexterm zone="ch-system-eudev libudev">
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<primary sortas="c-libudev">libudev</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="etc-udev">
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<term><filename class="directory">/etc/udev</filename></term>
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<listitem>
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<para>Contains Udev configuration files,
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device permissions, and rules for device naming</para>
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<indexterm zone="ch-system-eudev etc-udev">
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<primary sortas="e-/etc/udev">/etc/udev</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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