systemd-udevd.xml revision e6f86cac1619d504ea51c08608fa60b8e4359c52
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </refentryinfo>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refentrytitle>systemd-udevd</refentrytitle>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refmiscinfo class="version"></refmiscinfo>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refname>systemd-udevd</refname><refpurpose>event managing daemon</refpurpose>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refsynopsisdiv>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <arg><option>--children-max=</option></arg>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <arg><option>--exec-delay=</option></arg>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <arg><option>--resolve-names=early|late|never</option></arg>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <arg><option>--version</option></arg>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </refsynopsisdiv>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>systemd-udevd listens to kernel uevents. For every event, systemd-udevd executes matching
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog instructions specified in udev rules. See <citerefentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>The behavior of the running daemon can be changed with
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <command>udevadm control</command>.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><option>--daemon</option></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Detach and run in the background.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><option>--debug</option></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Print debug messages to stderr.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><option>--children-max=</option></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Limit the number of parallel executed events.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><option>--exec-delay=</option></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Number of seconds to delay the execution of RUN instructions.
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog This might be useful when debugging system crashes during coldplug
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog cause by loading non-working kernel modules.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><option>--resolve-names=</option></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Specify when systemd-udevd should resolve names of users and groups.
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog When set to <option>early</option> (the default) names will be
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog resolved when the rules are parsed. When set to
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <option>late</option> names will be resolved for every event.
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog When set to <option>never</option> names will never be resolved
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog and all devices will be owned by root.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><option>--version</option></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </variablelist>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><varname>UDEV_LOG=</varname></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Set the logging priority.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </variablelist>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refsect1><title>Kernel command line</title>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>The parameters starting with "rd.", will be read when udev is used in an initrd.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><varname>udev.log-priority=</varname></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><varname>rd.udev.log-priority=</varname></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Set the logging priority.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><varname>udev.children-max=</varname></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><varname>rd.udev.children-max=</varname></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Limit the number of parallel executed events.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><varname>udev.exec-delay=</varname></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <term><varname>rd.udev.exec-delay=</varname></term>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <para>Number of seconds to delay the execution of RUN instructions.
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog This might be useful when debugging system crashes during coldplug
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog cause by loading non-working kernel modules.</para>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </varlistentry>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog </variablelist>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
d9bf4f8c6c47b8620ffa1a056208eb15118b78d5Umut Tezduyar Lindskog <refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum>