disable-led.service

# https://n.ethz.ch/~dbernhard/disable-led-on-a-raspberry-pi.html

[Unit]
# Description=Disables the power-LED and active-LED
Description=Disables the Active-LED ACT
After=multi-user.target

[Service]
Type=oneshot
RemainAfterExit=yes
# ExecStart=sh -c "echo 0 | sudo tee /sys/class/leds/PWR/brightness > /dev/null && echo 0 | sudo tee /sys/class/leds/ACT/brightness > /dev/null"
# ExecStop=sh -c "echo 1 | sudo tee /sys/class/leds/PWR/brightness > /dev/null && echo 1 | sudo tee /sys/class/leds/ACT/brightness > /dev/null"
ExecStart=sh -c "echo 0 | sudo tee /sys/class/leds/ACT/brightness > /dev/null"
ExecStop=sh -c "echo 1 | sudo tee /sys/class/leds/ACT/brightness > /dev/null"

[Install]
WantedBy=multi-user.target