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Applied Alexanders descriptions for udev package contents
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3850 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
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Matthew Burgess
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@ -78,6 +78,9 @@ first a summary, then a detailed log.</para>
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</itemizedlist>
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</listitem>
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<listitem><para>June 26, 2004 [matt]: Added descriptions for udev package
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contents (Alexander Patrakov)</para></listitem>
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<listitem><para>June 24, 2004 [winkie]: Upgraded to Linux-Libc-Headers 2.6.7.0
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and updated the Net-tools GCC 3.4 patch.</para></listitem>
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@ -12,9 +12,7 @@
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<secondary>tools</secondary></indexterm>
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<sect2 role="package"><title/>
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<!--
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<xi:include xmlns:xi="http://www.w3.org/2003/XInclude" href="../chapter06/udev.xml" xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
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-->
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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@ -10,6 +10,7 @@
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<indexterm zone="ch-system-udev"><primary sortas="a-Udev">Udev</primary></indexterm>
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<sect2 role="package"><title/>
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<para>The Udev package contains programs for dynamic creation of device nodes.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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@ -46,8 +47,87 @@ cp ../udev-config-1.rules /etc/udev/rules.d/00-lfs.rules</userinput></screen>
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<sect2 id="contents-udev" role="content"><title>Contents of Udev</title>
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<para>Who knows?</para>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<seglistitem><seg>udev, udevd, udevsend, udevstart, udevinfo, udevtest</seg></seglistitem>
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</segmentedlist>
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<variablelist><title>Short descriptions</title>
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<varlistentry id="udev">
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<term><command>udev</command></term>
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<listitem><indexterm zone="ch-system-udev udev"><primary
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sortas="b-udev">udev</primary></indexterm>
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<para>is used to create device nodes in <filename
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class="directory">/dev</filename> or to rename network interfaces (not in LFS)
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in response to hotplug events.</para>
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</listitem></varlistentry>
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<varlistentry id="udevd">
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<term><command>udevd</command></term>
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<listitem> <indexterm zone="ch-system-udev udevd"><primary
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sortas="b-udevd">udevd</primary></indexterm>
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<para>is a daemon that reorders hotplug events before submitting them to
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<command>udev</command>,
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thus avoiding various race conditions.</para>
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</listitem></varlistentry>
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<varlistentry id="udevsend">
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<term><command>udevsend</command></term>
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<listitem> <indexterm zone="ch-system-udev udevsend"><primary
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sortas="b-udevsend">udevsend</primary></indexterm>
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<para>is used to deliver hotplug events to <command>udevd</command>.</para>
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</listitem></varlistentry>
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<varlistentry id="udevstart">
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<term><command>udevstart</command></term>
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<listitem> <indexterm zone="ch-system-udev udevstart"><primary
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sortas="b-udevstart">udevstart</primary></indexterm>
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<para>is used to create device nodes in <filename
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class="directory">/dev</filename> that correspond to drivers compiled directly
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into the kernel. It performs that task by simulating hotplug events presumably
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dropped by the kernel before invocation of this program (e.g. because the root
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filesystem has not been mounted) and submitting such synthetic hotplug events
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to <command>udev</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry id="udevinfo">
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<term><command>udevinfo</command></term>
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<listitem> <indexterm zone="ch-system-udev udevinfo"><primary
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sortas="b-udevinfo">udevinfo</primary></indexterm>
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<para>allows users to query the <command>udev</command> database for
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information on any device currently present on the system. It also
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provides a way to query any device in the sysfs tree to help creating udev
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rules.</para>
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</listitem></varlistentry>
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<varlistentry id="udevtest">
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<term><command>udevtest</command></term>
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<listitem> <indexterm zone="ch-system-udev udevtest"><primary
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sortas="b-udevtest">udevtest</primary></indexterm>
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<para>simulates a <command>udev</command> run for the given device,
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and prints out the name of the node the real <command>udev</command> would
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have created, or (not in LFS) the name of the renamed network interface.</para>
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</listitem></varlistentry>
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<varlistentry id="etc-dev-d">
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<term><filename class="directory">/etc/dev.d</filename></term>
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<listitem> <indexterm zone="ch-system-udev etc-dev-d"><primary
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sortas="b-etc-dev-d">/etc/dev.d</primary></indexterm>
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<para>directory is supposed to contain user-written handlers for device
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creation hotplug events.</para>
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</listitem></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> <indexterm zone="ch-system-udev etc-udev"><primary
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sortas="b-etc-udev">/etc/udev</primary></indexterm>
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<para>directory contains <command>udev</command> configuation files,
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device permissions and rules for device naming.</para>
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</listitem></varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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@ -1,6 +1,6 @@
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<!ENTITY version "SVN-20040624">
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<!ENTITY releasedate "June 24, 2004">
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<!ENTITY version "SVN-20040626">
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<!ENTITY releasedate "June 26, 2004">
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<!ENTITY milestone "6.0">
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<!ENTITY lfs-root "http://www.linuxfromscratch.org/">
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