I plugged in my Arduino into a sub port and is recognized into port /dev/ttyACM0 on my Ubuntu 16.04 LTS GNU/Linux running computer, as seen in dmesg: [ 3269.509330] cdc_acm 1-6:1.0: ttyACM0: USB ACM device [ 3312.346228] usb 1-6: USB disconnect, device number 6 [ 3329.402161] usb 1-6: new full-spee…

/dev/ttyACM0 not in group dialout

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