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authorAnthony G. Basile <blueness@gentoo.org>2013-03-27 08:01:59 -0400
committerIan Stakenvicius <axs@gentoo.org>2013-04-02 15:22:47 -0400
commitcdd665a9214ab9c0dd8ffb69749ed8bb6a005cf0 (patch)
tree7a191d6c84b8fa4c9db58adce788e70901f29327 /man/udevd.xml
parent601c4e8ce69338652b3c9178386cbc05de8bae8d (diff)
man: updates from upstream
Added upstream systemd-udevd.service(8) as udevd(8) Authors include Tom Gundersen Zbigniew Jędrzejewski-Szmek Thomas Hindoe Paaboel Andersen Kay Sievers Lennart Poettering See http://cgit.freedesktop.org/systemd/systemd/log/man/udev.xml and http://cgit.freedesktop.org/systemd/systemd/log/man/systemd-udevd.service.xml and http://cgit.freedesktop.org/systemd/systemd/log/man/udevadm.xml Signed-off-by: Anthony G. Basile <blueness@gentoo.org> Signed-off-by: Ian Stakenvicius <axs@gentoo.org>
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+<?xml version='1.0'?>
+<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<refentry id="udevd">
+ <refentryinfo>
+ <title>udevd</title>
+ <productname>udev</productname>
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Kay</firstname>
+ <surname>Sievers</surname>
+ <email>kay@vrfy.org</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>udevd</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class="version"></refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+ <refname>udevd</refname>
+ <refpurpose>Device event managing daemon</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>udevd</filename></para>
+
+ <cmdsynopsis>
+ <command>/sbin/udevd</command>
+ <arg><option>--daemon</option></arg>
+ <arg><option>--debug</option></arg>
+ <arg><option>--children-max=</option></arg>
+ <arg><option>--exec-delay=</option></arg>
+ <arg><option>--resolve-names=early|late|never</option></arg>
+ <arg><option>--version</option></arg>
+ <arg><option>--help</option></arg>
+ </cmdsynopsis>
+
+ </refsynopsisdiv>
+
+ <refsect1><title>Description</title>
+ <para><command>udevd</command> listens to kernel uevents.
+ For every event, udevd executes matching instructions
+ specified in udev rules. See <citerefentry>
+ <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
+ </citerefentry>.</para>
+ <para>The behavior of the running daemon can be changed with
+ <command>udevadm control</command>.</para>
+ </refsect1>
+
+ <refsect1><title>Options</title>
+ <variablelist>
+ <varlistentry>
+ <term><option>--daemon</option></term>
+ <listitem>
+ <para>Detach and run in the background.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--debug</option></term>
+ <listitem>
+ <para>Print debug messages to stderr.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--children-max=</option></term>
+ <listitem>
+ <para>Limit the number of events executed in parallel.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--exec-delay=</option></term>
+ <listitem>
+
+ <para>Delay the execution of RUN instruction by the given
+ number of seconds. This option might be useful when
+ debugging system crashes during coldplug caused by loading
+ non-working kernel modules.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--resolve-names=</option></term>
+ <listitem>
+ <para>Specify when udevd should resolve names of users and groups.
+ When set to <option>early</option> (the default) names will be
+ resolved when the rules are parsed. When set to
+ <option>late</option> names will be resolved for every event.
+ When set to <option>never</option> names will never be resolved
+ and all devices will be owned by root.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--version</option></term>
+ <listitem>
+ <para>Print version number.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--help</option></term>
+ <listitem>
+ <para>Print help text.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1><title>Environment</title>
+ <variablelist class='environment-variables'>
+ <varlistentry>
+ <term><varname>$UDEV_LOG=</varname></term>
+ <listitem>
+ <para>Set the logging priority.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1><title>Kernel command line</title>
+ <variablelist class='kernel-commandline-options'>
+ <para>Parameters starting with "rd." will be read when
+ <command>udevd</command> is used in an initrd.</para>
+ <varlistentry>
+ <term><varname>udev.log-priority=</varname></term>
+ <term><varname>rd.udev.log-priority=</varname></term>
+ <listitem>
+ <para>Set the logging priority.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>udev.children-max=</varname></term>
+ <term><varname>rd.udev.children-max=</varname></term>
+ <listitem>
+ <para>Limit the number of events executed in parallel.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>udev.exec-delay=</varname></term>
+ <term><varname>rd.udev.exec-delay=</varname></term>
+ <listitem>
+ <para>Delay the execution of RUN instruction by the given
+ number of seconds. This option might be useful when
+ debugging system crashes during coldplug caused by loading
+ non-working kernel modules.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>net.ifnames=</varname></term>
+ <listitem>
+ <para>Network interfaces are renamed to give them predictable names
+ when possible. It is enabled by default, specifying 0 disables it.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1><title>Configuration file</title>
+ <para>udev expects its main configuration file at <filename>/etc/udev/udev.conf</filename>.
+ It consists of a set of variables allowing the user to override default udev values. All
+ empty lines or lines beginning with '#' are ignored. The following variables can be
+ set:</para>
+ <variablelist>
+ <varlistentry>
+ <term><varname>udev_log</varname></term>
+ <listitem>
+ <para>The logging priority. Valid values are the numerical syslog priorities
+ or their textual representations: <option>err</option>, <option>info</option>
+ and <option>debug</option>.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para><citerefentry>
+ <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
+ </citerefentry>, <citerefentry>
+ <refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry></para>
+ </refsect1>
+</refentry>