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Written by Oleksandr Gavenko (AKA gavenkoa), compiled at 2015-10-05 from rev 764bb173578d.

udev.

Contents

• udev.
  • About.
  • Record udev events.
  • View device capability with udev compatible format.
  • Debugging udev rule.

About.

• http://reactivated.net/writing_udev_rules.html
• http://wiki.debian.org/udev
• https://wiki.archlinux.org/index.php/Udev
• http://wiki.gentoo.org/wiki/Udev
• http://www.crashcourse.ca/wiki/index.php/Udev

Record udev events.

This dump udev events to console:

$ sudo udevadm monitor

View device capability with udev compatible format.

For Debian use:

$ /sbin/udevadm info --name=/dev/sdc --attribute-walk
$ udevadm info --attribute-walk --path $(udevadm info --query=path --name=/dev/ttyUSB0)

For other Linux use:

$ udevinfo -a -p $(udevinfo -q path -n /dev/sdc)

Debugging udev rule.

$ sudo udevadm trigger
$ sudo udevadm test $(udevadm info -n /dev/$DEV -q path)