http://3wymlmcsvxiaqzmbepsdawqpk6o2qsk65jhms72qqjulk5u4bgmvs3qd.onion/fuss/udev
Unfortunately, one cannot know beforehand if, following the example, a modem device will be assigned to /dev/ttyACM0 or /dev/ttyACM1 , etc… To make sure that a device gets the same node under devfs via udev, rules can be added under /etc/udev/rules.d and those rules can match hardware criteria such as vendor ID, revision, etc… The first step is to issue the command: udevadm info -q all -n / dev / ttyACM0 --attribute-walk where: /dev/ttyACM0 is the connected device you want...