Install gkrellm-leds by entering the following commands in the terminal:
sudo apt update sudo apt install gkrellm-leds
Description:
Keyboard LED monitor for GKrellM
gkrellm-leds (aka gkleds) is a GKrellM plugin which monitors the CapsLock, NumLock and ScrollLock keys and reports their current status via on screen LEDs. This is useful for people who have keyboards without LEDs (typically cordless keyboards).
Version: 0.8.0-1.3
Section: universe/x11