Disable Beaglebone Black flashing heartbeat LED

Disable the Beaglebone Black flashing LEDs temporarily or permanently:

Persistently (permanently) disable: add to /etc/rc.local

echo none > /sys/class/leds/beaglebone\:green\:usr0/trigger
echo none > /sys/class/leds/beaglebone\:green\:usr1/trigger
echo none > /sys/class/leds/beaglebone\:green\:usr2/trigger
echo none > /sys/class/leds/beaglebone\:green\:usr3/trigger

Reference


Temporary disable (till reboot):

echo none > /sys/class/leds/beaglebone:green:usr0/trigger