<https://forum.armbian.com/topic/18934-network-activity-led-no-longer-works/#comment-129840>
<http://schema.org/text>
"You can check the trigger settings on the led.\n \n\n\n\t \n \n\n\n\tSomething along 'cat /sys/class/leds/helios64:blue:net/trigger' \n \n\n\n\t \n \n"
<https://forum.armbian.com/topic/18934-network-activity-led-no-longer-works/?tab=comments#comment-129720>