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NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | COLOPHON |
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UDEV.CONF(5) udev.conf UDEV.CONF(5)
udev.conf - Configuration for device event managing daemon
/etc/udev/udev.conf
systemd-udevd(8) 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 log level. Valid values are the numerical syslog
priorities or their textual representations: err, info and
debug.
Added in version 216.
children_max=
An integer. The maximum number of events executed in
parallel. When unspecified or 0 is specified, the maximum is
determined based on the system resources.
This is the same as the --children-max= option.
Added in version 240.
exec_delay=
An integer. Delay the execution of each RUN{program}
parameter by the given number of seconds. This option might
be useful when debugging system crashes during coldplug
caused by loading non-working kernel modules.
This is the same as the --exec-delay= option.
Added in version 240.
event_timeout=
An integer. The number of seconds to wait for events to
finish. After this time, the event will be terminated. The
default is 180 seconds.
This is the same as the --event-timeout= option.
Added in version 240.
resolve_names=
Specifies 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.
This is the same as the --resolve-names= option.
Added in version 240.
timeout_signal=
Specifies a signal that systemd-udevd will send on worker
timeouts. Note that both workers and spawned processes will
be killed using this signal. Defaults to SIGKILL.
Added in version 246.
In addition, systemd-udevd can be configured by command line
options and the kernel command line (see systemd-udevd(8)).
systemd-udevd(8), udev(7), udevadm(8)
This page is part of the systemd (systemd system and service
manager) project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have
a bug report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2023-12-22. (At that
time, the date of the most recent commit that was found in the
repository was 2023-12-22.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
systemd 255 UDEV.CONF(5)
Pages that refer to this page: systemd.directives(7), systemd.index(7), systemd-udevd.service(8)
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HTML rendering created 2023-12-22 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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