Ubuntu add user to dailout by sudoedit /etc/udev/rules.d/50-myusb.rules KERNEL=="ttyUSB[0-9]*",MODE="0666" KERNEL=="ttyACM[0-9]*",MODE="0666"sudoedit /etc/udev/rules.d/50-myusb.rules KERNEL=="ttyUSB[0-9]*",MODE="0666" KERNEL=="ttyACM[0-9]*",MODE="0666" Please follow and like us: