# /etc/udev.d/hwdb/01-keyboard.hwdb
# https://wiki.archlinux.org/title/map_scancodes_to_keycodes
# also 'yum -y install evtest'
# evdev:name:AT Translated Set 2 keyboard:*
# systemd-hwdb update && udevadm trigger
# or perhaps:
# udevadm hwdb -u
# This should match all AT keyboards, apparently
evdev:atkbd:dmi:bvn*:bvr*:bd*:svn*:pn*:pvr*
 KEYBOARD_KEY_3a=leftctrl
 KEYBOARD_KEY_1d=leftctrl
 KEYBOARD_KEY_9d=capslock