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+'\" t
+.\" Title: udevd
+.\" Author: Kay Sievers <kay@vrfy.org>
+.\" Generator: DocBook XSL Stylesheets v1.78.0 <http://docbook.sf.net/>
+.\" Date: 10/31/2014
+.\" Manual: udevd
+.\" Source: udev
+.\" Language: English
+.\"
+.TH "UDEVD" "8" "" "udev" "udevd"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+udevd \- Device event managing daemon
+.SH "SYNOPSIS"
+.PP
+udevd
+.HP \w'\fB/sbin/udevd\fR\ 'u
+\fB/sbin/udevd\fR [\fB\-\-daemon\fR] [\fB\-\-debug\fR] [\fB\-\-children\-max=\fR] [\fB\-\-exec\-delay=\fR] [\fB\-\-resolve\-names=early|late|never\fR] [\fB\-\-version\fR] [\fB\-\-help\fR]
+.SH "DESCRIPTION"
+.PP
+\fBudevd\fR
+listens to kernel uevents\&. For every event, udevd executes matching instructions specified in udev rules\&. See
+\fBudev\fR(7)\&.
+.PP
+The behavior of the running daemon can be changed dynamically with
+\fBudevadm control\fR, or configured using
+\fBudev.conf\fR(5)\&.
+.SH "OPTIONS"
+.PP
+\fB\-\-daemon\fR
+.RS 4
+Detach and run in the background\&.
+.RE
+.PP
+\fB\-\-debug\fR
+.RS 4
+Print debug messages to stderr\&.
+.RE
+.PP
+\fB\-\-children\-max=\fR
+.RS 4
+Limit the number of events executed in parallel\&.
+.RE
+.PP
+\fB\-\-exec\-delay=\fR
+.RS 4
+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\&.
+.RE
+.PP
+\fB\-\-resolve\-names=\fR
+.RS 4
+Specify when udevd should resolve names of users and groups\&. When set to
+\fBearly\fR
+(the default) names will be resolved when the rules are parsed\&. When set to
+\fBlate\fR
+names will be resolved for every event\&. When set to
+\fBnever\fR
+names will never be resolved and all devices will be owned by root\&.
+.RE
+.PP
+\fB\-\-version\fR
+.RS 4
+Print version number\&.
+.RE
+.PP
+\fB\-\-help\fR
+.RS 4
+Print help text\&.
+.RE
+.SH "ENVIRONMENT"
+.PP
+\fI$UDEV_LOG=\fR
+.RS 4
+Set the logging priority\&.
+.RE
+.SH "KERNEL COMMAND LINE"
+.PP
+Parameters starting with "rd\&." will be read when
+\fBudevd\fR
+is used in an initrd\&.
+.PP
+\fIudev\&.log\-priority=\fR, \fIrd\&.udev\&.log\-priority=\fR
+.RS 4
+Set the logging priority\&.
+.RE
+.PP
+\fIudev\&.children\-max=\fR, \fIrd\&.udev\&.children\-max=\fR
+.RS 4
+Limit the number of events executed in parallel\&.
+.RE
+.PP
+\fIudev\&.exec\-delay=\fR, \fIrd\&.udev\&.exec\-delay=\fR
+.RS 4
+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\&.
+.RE
+.PP
+\fInet\&.ifnames=\fR
+.RS 4
+Network interfaces are renamed to give them predictable names when possible\&. It is enabled by default, specifying 0 disables it\&.
+.RE
+.SH "SEE ALSO"
+.PP
+
+\fBudev.conf\fR(5),
+\fBudev\fR(7),
+\fBudevadm\fR(8)