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121 lines
4.1 KiB
XML
121 lines
4.1 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE article 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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<article>
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<section>
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<title>udevd, udevcontrol</title>
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<refentry>
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<refentryinfo>
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<title>udevd</title>
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<date>August 2005</date>
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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>--verbose</option></arg>
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<arg><option>--help</option></arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>udevcontrol <replaceable>command</replaceable></command>
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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 right event order and takes care, that events for child
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devices are delayed until the parent has finished the device handling. </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>--verbose</option></term>
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<listitem>
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<para>Print log messages to stdout.</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 usage.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>log_priority=<replaceable>value</replaceable></option></term>
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<listitem>
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<para>udevcontrol can dynamically set the log level of udevd.
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Valid values are the numerical syslog priorities or their textual
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representations: <option>err</option>, <option>info</option>
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and <option>debug</option>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>stop_exec_queue</option></term>
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<listitem>
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<para>udevcontrol stops the execution of events from udevd.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>start_exec_queue</option></term>
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<listitem>
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<para>udevcontrol starts the execution of events from udevd.</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></para>
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</refsect1>
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</refentry>
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</section>
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</article>
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