| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | <!ENTITY % patches-entities SYSTEM "../../patches.ent">
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| 6 | %general-entities;
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| 7 | %patches-entities;
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| 8 | ]>
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| 9 |
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| 10 | <sect1 id="ch-system-udev" role="wrap">
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| 11 | <?dbhtml filename="udev.html"?>
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| 12 |
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| 13 | <title>Udev-&udev-version;</title>
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| 14 |
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| 15 | <indexterm zone="ch-system-udev">
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| 16 | <primary sortas="a-Udev">Udev</primary>
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| 17 | </indexterm>
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| 18 |
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| 19 | <sect2 role="package">
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| 20 | <title/>
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| 21 |
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| 22 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 23 | href="../common/udev.xml"
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| 24 | xpointer="xpointer(//*[@role='package']/para[1])"/>
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| 25 |
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| 26 | <segmentedlist>
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| 27 | <segtitle>&buildtime;</segtitle>
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| 28 | <segtitle>&diskspace;</segtitle>
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| 29 |
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| 30 | <seglistitem>
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| 31 | <seg>Not checked yet</seg>
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| 32 | <seg>Not checked yet</seg>
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| 33 | </seglistitem>
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| 34 | </segmentedlist>
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| 35 |
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| 36 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 37 | href="../common/udev.xml"
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| 38 | xpointer="xpointer(//*[@role='package']/segmentedlist[2])"/>
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| 39 |
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| 40 | </sect2>
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| 41 |
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| 42 | <sect2 role="installation">
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| 43 | <title>Installation of Udev</title>
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| 44 |
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| 45 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 46 | href="../common/udev.xml"
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| 47 | xpointer="xpointer(//*[@os='c'])"/>
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| 48 |
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| 49 | <screen><userinput>make CC="gcc ${BUILD64}" LD="gcc ${BUILD64}" \
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| 50 | EXTRAS="extras/firmware extras/run_directory" udevdir=/dev</userinput></screen>
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| 51 |
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| 52 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 53 | href="../common/udev.xml"
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| 54 | xpointer="xpointer(//*[@os='d'])"/>
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| 55 |
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| 56 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 57 | href="../common/udev.xml"
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| 58 | xpointer="xpointer(//*[@os='e'])"/>
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| 59 |
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| 60 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 61 | href="../common/udev.xml"
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| 62 | xpointer="xpointer(//*[@os='f'])"/>
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| 63 |
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| 64 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 65 | href="../common/udev.xml"
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| 66 | xpointer="xpointer(//*[@os='g'])"/>
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| 67 |
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| 68 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 69 | href="../common/udev.xml"
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| 70 | xpointer="xpointer(//*[@os='h'])"/>
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| 71 |
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| 72 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 73 | href="../common/udev.xml"
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| 74 | xpointer="xpointer(//*[@os='i'])"/>
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| 75 |
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| 76 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 77 | href="../common/udev.xml"
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| 78 | xpointer="xpointer(//*[@os='a'])"/>
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| 79 |
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| 80 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 81 | href="../common/udev.xml"
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| 82 | xpointer="xpointer(//*[@os='b'])"/>
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| 83 |
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| 84 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 85 | href="../common/udev.xml"
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| 86 | xpointer="xpointer(//*[@os='j'])"/>
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| 87 |
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| 88 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 89 | href="../common/udev.xml"
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| 90 | xpointer="xpointer(//*[@os='k'])"/>
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| 91 |
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| 92 | </sect2>
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| 93 |
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| 94 | <sect2 id="contents-udev" role="content">
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| 95 | <title>Contents of Udev</title>
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| 96 |
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| 97 | <segmentedlist>
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| 98 | <segtitle>Installed programs</segtitle>
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| 99 | <segtitle>Installed directory</segtitle>
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| 100 |
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| 101 | <seglistitem>
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| 102 | <seg>udev, udevd, udevsend, udevstart, udevinfo, and udevtest</seg>
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| 103 | <seg>/etc/udev</seg>
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| 104 | </seglistitem>
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| 105 | </segmentedlist>
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| 106 |
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| 107 | <variablelist>
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| 108 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 109 | <?dbfo list-presentation="list"?>
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| 110 | <?dbhtml list-presentation="table"?>
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| 111 |
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| 112 | <varlistentry id="udev">
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| 113 | <term><command>udev</command></term>
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| 114 | <listitem>
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| 115 | <para>Creates device nodes in <filename
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| 116 | class="directory">/dev</filename> or renames network interfaces (not
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| 117 | in LFS) in response to hotplug events</para>
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| 118 | <indexterm zone="ch-system-udev udev">
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| 119 | <primary sortas="b-udev">udev</primary>
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| 120 | </indexterm>
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| 121 | </listitem></varlistentry>
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| 122 |
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| 123 | <varlistentry id="udevd">
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| 124 | <term><command>udevd</command></term>
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| 125 | <listitem>
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| 126 | <para>A daemon that reorders hotplug events before submitting them to
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| 127 | <command>udev</command>,
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| 128 | thus avoiding various race conditions</para>
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| 129 | <indexterm zone="ch-system-udev udevd">
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| 130 | <primary sortas="b-udevd">udevd</primary>
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| 131 | </indexterm>
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| 132 | </listitem></varlistentry>
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| 133 |
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| 134 | <varlistentry id="udevsend">
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| 135 | <term><command>udevsend</command></term>
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| 136 | <listitem>
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| 137 | <para>Delivers hotplug events to <command>udevd</command></para>
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| 138 | <indexterm zone="ch-system-udev udevsend">
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| 139 | <primary sortas="b-udevsend">udevsend</primary>
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| 140 | </indexterm>
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| 141 | </listitem></varlistentry>
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| 142 |
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| 143 | <varlistentry id="udevstart">
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| 144 | <term><command>udevstart</command></term>
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| 145 | <listitem>
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| 146 | <para>Creates device nodes in <filename class="directory">/dev</filename>
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| 147 | that correspond to drivers compiled directly into the kernel; it
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| 148 | performs that task by simulating hotplug events presumably dropped by
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| 149 | the kernel before invocation of this program (e.g., because the root
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| 150 | filesystem has not been mounted) and submitting such synthetic hotplug
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| 151 | events to <command>udev</command></para>
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| 152 | <indexterm zone="ch-system-udev udevstart">
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| 153 | <primary sortas="b-udevstart">udevstart</primary>
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| 154 | </indexterm>
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| 155 | </listitem>
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| 156 | </varlistentry>
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| 157 |
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| 158 | <varlistentry id="udevinfo">
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| 159 | <term><command>udevinfo</command></term>
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| 160 | <listitem>
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| 161 | <para>Allows users to query the <command>udev</command> database for
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| 162 | information on any device currently present on the system; it also
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| 163 | provides a way to query any device in the <systemitem
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| 164 | class="filesystem">sysfs</systemitem> tree to help create udev
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| 165 | rules</para>
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| 166 | <indexterm zone="ch-system-udev udevinfo">
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| 167 | <primary sortas="b-udevinfo">udevinfo</primary>
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| 168 | </indexterm>
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| 169 | </listitem>
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| 170 | </varlistentry>
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| 171 |
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| 172 | <varlistentry id="udevtest">
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| 173 | <term><command>udevtest</command></term>
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| 174 | <listitem>
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| 175 | <para>Simulates a <command>udev</command> run for the given device,
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| 176 | and prints out the name of the node the real <command>udev</command>
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| 177 | would have created or (not in LFS) the name of the renamed network
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| 178 | interface</para>
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| 179 | <indexterm zone="ch-system-udev udevtest">
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| 180 | <primary sortas="b-udevtest">udevtest</primary>
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| 181 | </indexterm>
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| 182 | </listitem>
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| 183 | </varlistentry>
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| 184 |
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| 185 | <varlistentry id="etc-udev">
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| 186 | <term><filename class="directory">/etc/udev</filename></term>
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| 187 | <listitem>
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| 188 | <para>Contains <command>udev</command> configuation files,
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| 189 | device permissions, and rules for device naming</para>
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| 190 | <indexterm zone="ch-system-udev etc-udev">
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| 191 | <primary sortas="e-/etc/udev">/etc/udev</primary>
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| 192 | </indexterm>
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| 193 | </listitem>
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| 194 | </varlistentry>
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| 195 |
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| 196 | </variablelist>
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| 197 |
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| 198 | </sect2>
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| 199 |
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| 200 | </sect1>
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