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Disable LEDs

Aaron W Morris edited this page May 19, 2022 · 19 revisions

General

Create a script in /usr/local/bin

Raspberry Pi

/usr/local/bin/disable_leds.sh

sudo tee /usr/local/bin/disable_leds.sh <<EOF
#!/bin/bash

echo 0 > /sys/class/leds/led1/brightness
echo 0 > /sys/class/leds/led0/brightness
EOF

AML-S905X-CC (Le Potato)

sudo tee /usr/local/bin/disable_leds.sh <<EOF
#!/bin/bash

echo 0 > /sys/class/leds/librecomputer\:blue/brightness
echo 0 > /sys/class/leds/librecomputer\:system-status/brightness
EOF

  • Note: The red power LED cannot be disabled in software.

Make script executable

sudo chmod 755 /usr/local/bin/disable_leds.sh

Add script to crontab

sudo tee /etc/cron.d/disable_leds <<EOF
@reboot root /usr/local/bin/disable_leds.sh >/dev/null 2>&1
EOF

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