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After updating udev package wlan0 gets renamed. In my case it's now wlxe84e062774a5.
Found it out by typing

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ifconfig -a

I changed /etc/network/interfaces and wifi is working again.
Found it out.

To turn the heartbeat off:

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echo none > /sys/class/leds/blue_led/trigger

To turn it back on:

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echo heartbeat > /sys/class/leds/blue_led/trigger

Is there a way to disable the blinking blue LED? In the night it is too bright.

Hi jjm,

It works with a fresh install (newest ROM sd4g-20160804.img). But after apt-get upgrade the WLAN0 interface is gone again. I figured out, that the udev package update causes the problem.

Thanks for your support.


I'm using a RTL8188CUS WIFI dongle on my new NanoPi NEO. Your debian ROM image is installed.

ifconfig does not list wlan0
iwconfig does not list a wireless adapter
ifup wlan0 gives a wpa_supplicant error
lsusb lists the RTL8188CUS dongle

Thanks for your support.