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SYSTEMD−UDEVD.SER

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=] [−−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 stderr.

−−children−max=

Limit the number of events executed in parallel.

−−exec−delay=

Delay the execution of RUN intruction by the given number of seconds. This option might be useful when debugging system crashes during coldplug caused by loading non−working kernel modules.

−−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.

−−version

Print version number.

−−help

Print help text.

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 intruction by the given number of seconds. This option might be useful when debugging system crashes during coldplug caused by loading non−working kernel modules.

SEE ALSO

udev(7), udevadm(8)

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