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tldr/pages/linux/udevadm.md
Sebastiaan Speck 204f2a34e9
udevadm: update link (#16727)
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
2025-06-03 17:54:16 +05:30

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udevadm

Linux udev management tool. More information: https://www.freedesktop.org/software/systemd/man/udevadm.html.

  • Monitor all device events:

sudo udevadm monitor

  • Print uevents sent out by the kernel:

sudo udevadm monitor --kernel

  • Print device events after being processed by udev:

sudo udevadm monitor --udev

  • List attributes of device /dev/sda:

sudo udevadm info --attribute-walk {{/dev/sda}}

  • Reload all udev rules:

sudo udevadm control --reload

  • Trigger all udev rules to run:

sudo udevadm trigger

  • Test an event run by simulating loading of /dev/sda:

sudo udevadm test {{/dev/sda}}