x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
SYSTEMD-UDEVD.SERVICE(8) systemd-udevd.service SYSTEMD-UDEVD.SERVICE(8)
NAME
systemd-udevd.service, systemd-udevd-control.socket, systemd-udevd-
kernel.socket, systemd-udevd - Device event managing daemon
SYNOPSIS
systemd-udevd.service
systemd-udevd-control.socket
systemd-udevd-kernel.socket
/usr/lib/systemd/systemd-udevd [--daemon] [--debug] [--children-max=]
[--exec-delay=] [--event-timeout=]
[--resolve-names=early|late|never]
[--version] [--help]
DESCRIPTION
systemd-udevd listens to kernel uevents. For every event, systemd-udevd
executes matching instructions specified in udev rules. See udev(7).
The behavior of the running daemon can be changed with udevadm control.
OPTIONS
--daemon
Detach and run in the background.
--debug
Print debug messages to standard error.
--children-max=
Limit the number of events executed in parallel.
--exec-delay=
Delay the execution of RUN instructions by the given number of
seconds. This option might be useful when debugging system crashes
during coldplug caused by loading non-working kernel modules.
--event-timeout=
Set the number of seconds to wait for events to finish. After this
time the event will be terminated. The default is 30 seconds.
--resolve-names=
Specify when systemd-udevd should resolve names of users and
groups. When set to early (the default), names will be resolved
when the rules are parsed. When set to late, names will be resolved
for every event. When set to never, names will never be resolved
and all devices will be owned by root.
--help
Print a short help text and exit.
--version
Print a short version string and exit.
ENVIRONMENT
$UDEV_LOG=
Set the logging priority.
KERNEL COMMAND LINE
Parameters starting with "rd." will be read when systemd-udevd is used
in an initrd.
udev.log-priority=, rd.udev.log-priority=
Set the logging priority.
udev.children-max=, rd.udev.children-max=
Limit the number of events executed in parallel.
udev.exec-delay=, rd.udev.exec-delay=
Delay the execution of RUN instructions by the given number of
seconds. This option might be useful when debugging system crashes
during coldplug caused by loading non-working kernel modules.
udev.event-timeout=, rd.udev.event-timeout=
Wait for events to finish up to the given number of seconds. This
option might be useful if events are terminated due to kernel
drivers taking too long to initialize.
net.ifnames=
Network interfaces are renamed to give them predictable names when
possible. It is enabled by default; specifying 0 disables it.
CONFIGURATION FILE
udev expects its main configuration file at /etc/udev/udev.conf. 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:
udev_log
The logging priority. Valid values are the numerical syslog
priorities or their textual representations: err, info and debug.
SEE ALSO
udev(7), udevadm(8)
systemd 210 SYSTEMD-UDEVD.SERVICE(8)
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