Kmonad doesn’t work without some permissons and rules out of the box, this script handles that for you. Additionally it enables layout at startup.

If you have non-systemd init system, see

Usage

Change input device in colemak-dh-YOURLAYOUT.kbd file.
- If you use USB keyboard, search for *-kbd device in /dev/input/by-id/
- If you use Laptop keyboard, search for *-kbd device in /dev/input/by-path/

input  (device-file "/dev/input/by-id/YOURDEVICE-kbd")

In the setup.sh, replace /path-to with the full path to colemak-dh-YOURLAYOUT.kbd

CONFIG_FILE="/path-to/colemak-dh-YOURLAYOUT"

sudo ./setup.sh

Sources: