Keyboard LEDS

Mkay

# capslock blink
xset led on; sleep 1; xset led off

Could be by name (Does nothing on kumara)

xset led named "Sleep"  # on
xset -led named "Sleep" # off

Missing? definitions in

/sys/class/leds

xset -q

Keyboard Control:
  auto repeat:  on    key click percent:  0    LED mask:  00000000
  XKB indicators:
    00: Caps Lock:   off    01: Num Lock:    off    02: Scroll Lock: off
    03: Compose:     off    04: Kana:        off    05: Sleep:       off
    06: Suspend:     off    07: Mute:        off    08: Misc:        off
    09: Mail:        off    10: Charging:    off    11: Shift Lock:  off
    12: Group 2:     off    13: Mouse Keys:  off

Export current settings to file (x11-xkb-utils)

xkbcomp $DISPLAY myconf.xkb

https://www.kernel.org/doc/html/latest/leds/leds-class.html
https://dev.to/raymelon/automating-your-keyboards-backlit-with-bash
https://forums.bunsenlabs.org/viewtopic.php?pid=93206#p93206