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+# udev rules
+
+This directory contains all of the udev rules for the supported devices as retrieved from vendor websites and repositories.
+These are necessary for the devices to be reachable on linux environments.
+
+`20-hw1.rules` (Ledger): https://github.com/LedgerHQ/udev-rules/blob/master/20-hw1.rules
+`51-coinkite.rules` (Coldcard): https://github.com/Coldcard/ckcc-protocol/blob/master/51-coinkite.rules
+`51-hid-digitalbitbox.rules`, `52-hid-digitalbitbox.rules` (Digital Bitbox): https://shiftcrypto.ch/start_linux
+`51-trezor.rules` (Trezor): https://github.com/trezor/trezor-common/blob/master/udev/51-trezor.rules
+`51-usb-keepkey.rules` (Keepkey): https://github.com/keepkey/udev-rules/blob/master/51-usb-keepkey.rules
+
+# Usage
+
+Apply these rules by copying them to `/etc/udev/rules.d/` and notifying `udevadm`.
+Your user will need to be added to the `plugdev` group, which needs to be created if it does not already exist.
+
+```
+$ sudo cp udev/*.rules /etc/udev/rules.d/
+$ sudo udevadm trigger
+$ sudo udevadm control --reload-rules
+$ sudo groupadd plugdev
+$ sudo usermod -aG plugdev `whoami`
+```