116 lines
3.8 KiB
XML
116 lines
3.8 KiB
XML
<?xml version='1.0'?>
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<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<refentry id="udevd">
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<refentryinfo>
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<title>udevd</title>
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<productname>udev</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>udevd</refentrytitle>
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<manvolnum>8</manvolnum>
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<refmiscinfo class="version"></refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>udevd</refname><refpurpose>event managing daemon</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>udevd</command>
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<arg><option>--daemon</option></arg>
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<arg><option>--debug-trace</option></arg>
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<arg><option>--debug</option></arg>
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<arg><option>--version</option></arg>
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<arg><option>--resolve-names=early|late|never</option></arg>
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<arg><option>--help</option></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1><title>Description</title>
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<para>udevd listens to kernel uevents and passes the incoming events to
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udev. It ensures the correct event order and takes care, that events for child
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devices are delayed until the parent event has finished the device handling.
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The behavior of the running daemon can be changed with
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<command>udevadm control</command>.</para>
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</refsect1>
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<refsect1><title>Options</title>
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<variablelist>
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<varlistentry>
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<term><option>--daemon</option></term>
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<listitem>
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<para>Detach and run in the background.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--debug-trace</option></term>
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<listitem>
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<para>Run all events completely serialized. This may be useful if udev triggers
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actions or loads kernel modules which cause problems and a slow but continuous
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operation is needed, where no events are processed in parallel.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--debug</option></term>
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<listitem>
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<para>Print debug messages to stderr.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--resolve-names</option></term>
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<listitem>
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<para>Specify when udevd should resolve names of users and groups.
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When set to <option>early</option> (the default) names will be
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resolved when the rules are parsed. When set to
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<option>late</option> names will be resolved for every event.
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When set to <option>never</option> names will never be resolved
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and all devices will be owned by root.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--version</option></term>
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<listitem>
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<para>Print version number.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--help</option></term>
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<listitem>
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<para>Print help text.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1><title>Environment</title>
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<variablelist>
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<varlistentry>
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<term><option>UDEV_LOG</option></term>
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<listitem>
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<para>Overrides the syslog priority specified in the config file.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1><title>Author</title>
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<para>Written by Kay Sievers <email>kay.sievers@vrfy.org</email>.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para><citerefentry>
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<refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry></para>
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</refsect1>
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</refentry>
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