| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-boot-eudev" role="wrap">
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| 9 | <?dbhtml filename="eudev.html"?>
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| 10 |
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| 11 | <title>Eudev-&eudev-version;</title>
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| 12 |
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| 13 | <indexterm zone="ch-boot-eudev">
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| 14 | <primary sortas="a-Eudev">Eudev</primary>
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| 15 | </indexterm>
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| 16 |
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| 17 | <sect2 role="package">
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| 18 | <title/>
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| 19 |
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| 20 | <para>The Eudev package contains programs for dynamic creation of device
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| 21 | nodes.</para>
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| 22 |
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| 23 | </sect2>
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| 24 |
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| 25 | <sect2 role="installation">
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| 26 | <title>Installation of Eudev</title>
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| 27 |
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| 28 | <para os="a">Prepare Eudev for compilation:</para>
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| 29 |
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| 30 | <screen os="b"><userinput>./configure \
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| 31 | --prefix=/tools \
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| 32 | --build=${CLFS_HOST} \
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| 33 | --host=${CLFS_TARGET} \
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| 34 | --disable-introspection \
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| 35 | --disable-gtk-doc-html \
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| 36 | --disable-gudev \
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| 37 | --disable-keymap \
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| 38 | --with-firmware-path=/tools/lib/firmware \
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| 39 | --enable-libkmod</userinput></screen>
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| 40 |
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| 41 | <variablelist os="b1">
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| 42 | <title>The meaning of the new configure options:</title>
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| 43 |
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| 44 | <varlistentry>
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| 45 | <term><parameter>--disable-introspection --disable-gtk-doc-html
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| 46 | --disable-gudev --disable-keymap</parameter></term>
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| 47 | <listitem>
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| 48 | <para>These switches disable several features which are not needed
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| 49 | for the temporary system and have additional dependencies.</para>
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| 50 | </listitem>
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| 51 | </varlistentry>
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| 52 |
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| 53 | <varlistentry>
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| 54 | <term><parameter>--with-firmware-path=/tools/lib/firmware</parameter></term>
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| 55 | <listitem>
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| 56 | <para>This allows Eudev to load firmware from
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| 57 | <filename class="directory">/tools/lib/firmware</filename> instead of
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| 58 | the default location of <filename class="directory">/lib/firmware</filename>.</para>
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| 59 | </listitem>
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| 60 | </varlistentry>
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| 61 |
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| 62 | <varlistentry>
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| 63 | <term><parameter>--enable-libkmod</parameter></term>
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| 64 | <listitem>
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| 65 | <para>Allows Eudev to load modules by using
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| 66 | <filename class="libraryfile">libkmod</filename> directly.</para>
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| 67 | </listitem>
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| 68 | </varlistentry>
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| 69 |
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| 70 | </variablelist>
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| 71 |
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| 72 | <para os="c">Compile the package:</para>
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| 73 |
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| 74 | <screen os="d"><userinput>make</userinput></screen>
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| 75 |
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| 76 | <para os="g">Install the package:</para>
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| 77 |
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| 78 | <screen os="j"><userinput>make install</userinput></screen>
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| 79 |
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| 80 | <para os="i">Create a directory for storing firmware that can be
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| 81 | loaded by <command>udev</command>:</para>
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| 82 |
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| 83 | <screen os="k"><userinput>install -dv /tools/lib/firmware</userinput></screen>
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| 84 |
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| 85 | <para os="r1">Create a dummy rule so that Eudev will name ethernet devices properly for the system.</para>
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| 86 |
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| 87 | <screen os="r2"><userinput>echo "# dummy, so that network is once again on eth*" > \
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| 88 | /tools/etc/udev/rules.d/80-net-name-slot.rules</userinput></screen>
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| 89 |
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| 90 | </sect2>
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| 91 |
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| 92 | <sect2 id="contents-eudev" role="content">
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| 93 | <title>Contents of Eudev</title>
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| 94 |
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| 95 | <segmentedlist>
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| 96 | <segtitle>Installed programs</segtitle>
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| 97 | <segtitle>Installed library</segtitle>
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| 98 | <segtitle>Installed directories</segtitle>
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| 99 |
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| 100 | <seglistitem>
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| 101 | <seg>ata_id, cdrom_id, collect, create_floppy_devices, edd_id,
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| 102 | firmware.sh, fstab_import, path_id, scsi_id, udevadm, udevd, usb_id,
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| 103 | v4l_id, write_cd_rules, write_net_rules</seg>
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| 104 | <seg>libudev</seg>
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| 105 | <seg>/tools/etc/udev, /tools/lib/firmware, /tools/lib/udev</seg>
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| 106 | </seglistitem>
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| 107 | </segmentedlist>
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| 108 |
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| 109 | <variablelist>
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| 110 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 111 | <?dbfo list-presentation="list"?>
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| 112 | <?dbhtml list-presentation="table"?>
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| 113 |
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| 114 | <varlistentry id="udevadm-eudev">
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| 115 | <term><command>udevadm</command></term>
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| 116 | <listitem>
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| 117 | <para>Controls the runtime behavior of Eudev, requests kernel
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| 118 | events, manages the event queue, and provides simple debugging.</para>
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| 119 | <indexterm zone="ch-boot-eudev udevadm-eudev">
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| 120 | <primary sortas="b-udevadm-eudev">udevadm</primary>
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| 121 | </indexterm>
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| 122 | </listitem>
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| 123 | </varlistentry>
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| 124 |
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| 125 | <varlistentry id="udevd">
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| 126 | <term><command>udevd</command></term>
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| 127 | <listitem>
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| 128 | <para>A daemon that reorders hotplug events before submitting them to
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| 129 | <command>udev</command>,
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| 130 | thus avoiding various race conditions</para>
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| 131 | <indexterm zone="ch-boot-eudev udevd">
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| 132 | <primary sortas="b-udevd">udevd</primary>
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| 133 | </indexterm>
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| 134 | </listitem>
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| 135 | </varlistentry>
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| 136 |
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| 137 | <!-- Start of Helpers -->
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| 138 | <varlistentry id="ata_id">
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| 139 | <term><command>ata_id</command></term>
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| 140 | <listitem>
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| 141 | <para>Provides Eudev with a unique string and additional
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| 142 | information (uuid, label) for an ATA drive</para>
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| 143 | <indexterm zone="ch-boot-eudev ata_id">
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| 144 | <primary sortas="b-ata_id">ata_id</primary>
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| 145 | </indexterm>
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| 146 | </listitem>
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| 147 | </varlistentry>
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| 148 |
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| 149 | <varlistentry id="cdrom_id">
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| 150 | <term><command>cdrom_id</command></term>
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| 151 | <listitem>
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| 152 | <para>Prints the capabilities of a CDROM or DVDROM drive.</para>
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| 153 | <indexterm zone="ch-boot-eudev cdrom_id">
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| 154 | <primary sortas="b-cdrom_id">cdrom_id</primary>
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| 155 | </indexterm>
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| 156 | </listitem>
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| 157 | </varlistentry>
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| 158 |
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| 159 | <varlistentry id="collect">
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| 160 | <term><command>collect</command></term>
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| 161 | <listitem>
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| 162 | <para>Given an ID for the current uevent and a list of IDs
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| 163 | (for all target uevents), registers the current ID and indicates whether
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| 164 | all target IDs have been registered.</para>
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| 165 | <indexterm zone="ch-boot-eudev collect">
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| 166 | <primary sortas="b-collect">collect</primary>
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| 167 | </indexterm>
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| 168 | </listitem>
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| 169 | </varlistentry>
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| 170 |
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| 171 | <varlistentry id="create_floppy_devices">
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| 172 | <term><command>create_floppy_devices</command></term>
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| 173 | <listitem>
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| 174 | <para>Creates all possible floppy devices based on the CMOS type</para>
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| 175 | <indexterm zone="ch-boot-eudev create_floppy_devices">
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| 176 | <primary sortas="b-create_floppy_devices">create_floppy_devices</primary>
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| 177 | </indexterm>
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| 178 | </listitem>
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| 179 | </varlistentry>
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| 180 |
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| 181 | <varlistentry id="edd_id">
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| 182 | <term><command>edd_id</command></term>
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| 183 | <listitem>
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| 184 | <para>Identifies x86 disk drives from Enhanced Disk Drive calls</para>
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| 185 | <indexterm zone="ch-boot-eudev edd_id">
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| 186 | <primary sortas="b-edd_id">edd_id</primary>
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| 187 | </indexterm>
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| 188 | </listitem>
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| 189 | </varlistentry>
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| 190 |
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| 191 | <varlistentry id="firmware.sh">
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| 192 | <term><command>firmware.sh</command></term>
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| 193 | <listitem>
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| 194 | <para>Script to load firmware for a device</para>
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| 195 | <indexterm zone="ch-boot-eudev firmware.sh">
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| 196 | <primary sortas="b-firmware.sh">firmware.sh</primary>
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| 197 | </indexterm>
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| 198 | </listitem>
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| 199 | </varlistentry>
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| 200 |
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| 201 | <varlistentry id="fstab_import">
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| 202 | <term><command>fstab_import</command></term>
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| 203 | <listitem>
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| 204 | <para>Finds an entry in <filename>/etc/fstab</filename> that matches
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| 205 | the current device, and provides its information to Udev.</para>
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| 206 | <indexterm zone="ch-boot-eudev fstab_import">
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| 207 | <primary sortas="b-fstab_import">fstab_import</primary>
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| 208 | </indexterm>
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| 209 | </listitem>
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| 210 | </varlistentry>
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| 211 |
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| 212 | <varlistentry id="path_id">
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| 213 | <term><command>path_id</command></term>
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| 214 | <listitem>
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| 215 | <para>Provides the shortest possible unique hardware path to a
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| 216 | device</para>
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| 217 | <indexterm zone="ch-boot-eudev path_id">
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| 218 | <primary sortas="b-path_id">path_id</primary>
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| 219 | </indexterm>
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| 220 | </listitem>
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| 221 | </varlistentry>
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| 222 |
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| 223 | <varlistentry id="scsi_id">
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| 224 | <term><command>scsi_id</command></term>
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| 225 | <listitem>
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| 226 | <para>Retrieves or generates a unique SCSI identifier.</para>
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| 227 | <indexterm zone="ch-boot-eudev scsi_id">
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| 228 | <primary sortas="b-scsi_id">scsi_id</primary>
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| 229 | </indexterm>
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| 230 | </listitem>
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| 231 | </varlistentry>
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| 232 |
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| 233 | <varlistentry id="usb_id">
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| 234 | <term><command>usb_id</command></term>
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| 235 | <listitem>
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| 236 | <para>Identifies a USB block device.</para>
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| 237 | <indexterm zone="ch-boot-eudev usb_id">
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| 238 | <primary sortas="b-usb_id">usb_id</primary>
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| 239 | </indexterm>
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| 240 | </listitem>
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| 241 | </varlistentry>
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| 242 |
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| 243 | <varlistentry id="v4l_id">
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| 244 | <term><command>v4l_id</command></term>
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| 245 | <listitem>
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| 246 | <para>Determines V4L capabilities for a given device.</para>
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| 247 | <indexterm zone="ch-boot-eudev v4l_id">
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| 248 | <primary sortas="b-v4l_id">v4l_id</primary>
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| 249 | </indexterm>
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| 250 | </listitem>
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| 251 | </varlistentry>
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| 252 |
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| 253 | <varlistentry id="write_cd_rules">
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| 254 | <term><command>write_cd_rules</command></term>
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| 255 | <listitem>
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| 256 | <para>A script which generates Eudev rules to provide stable names
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| 257 | for network interfaces.</para>
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| 258 | <indexterm zone="ch-boot-eudev write_cd_rules">
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| 259 | <primary sortas="b-write_cd_rules">write_cd_rules</primary>
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| 260 | </indexterm>
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| 261 | </listitem>
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| 262 | </varlistentry>
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| 263 |
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| 264 | <varlistentry id="write_net_rules">
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| 265 | <term><command>write_net_rules</command></term>
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| 266 | <listitem>
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| 267 | <para>A script which generates Eudev rules to provide stable names
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| 268 | for network interfaces.</para>
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| 269 | <indexterm zone="ch-boot-eudev write_net_rules">
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| 270 | <primary sortas="b-write_net_rules">write_net_rules</primary>
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| 271 | </indexterm>
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| 272 | </listitem>
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| 273 | </varlistentry>
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| 274 | <!-- End of Helpers -->
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| 275 |
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| 276 | <varlistentry id="libudev-eudev">
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| 277 | <term><filename class="libraryfile">libudev</filename></term>
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| 278 | <listitem>
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| 279 | <para>A library interface to eudev device information.</para>
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| 280 | <indexterm zone="ch-boot-eudev libudev-eudev">
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| 281 | <primary sortas="c-libudev-eudev">libudev</primary>
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| 282 | </indexterm>
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| 283 | </listitem>
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| 284 | </varlistentry>
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| 285 |
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| 286 | <varlistentry id="etc-eudev">
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| 287 | <term><filename class="directory">/etc/udev</filename></term>
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| 288 | <listitem>
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| 289 | <para>Contains <command>udev</command> configuration files,
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| 290 | device permissions, and rules for device naming</para>
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| 291 | <indexterm zone="ch-boot-eudev etc-eudev">
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| 292 | <primary sortas="e-/etc/udev">/etc/udev</primary>
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| 293 | </indexterm>
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| 294 | </listitem>
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| 295 | </varlistentry>
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| 296 |
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| 297 | <varlistentry id="lib-eudev">
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| 298 | <term><filename class="directory">/lib/udev</filename></term>
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| 299 | <listitem>
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| 300 | <para>Contains <command>udev</command> helper programs
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| 301 | and static devices which get copied to /dev when booted.</para>
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| 302 | <indexterm zone="ch-boot-eudev lib-eudev">
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| 303 | <primary sortas="e-/lib/udev">/lib/udev</primary>
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| 304 | </indexterm>
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| 305 | </listitem>
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| 306 | </varlistentry>
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| 307 | </variablelist>
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| 308 |
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| 309 | </sect2>
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| 310 |
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| 311 | </sect1>
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