#!/bin/sh set -e # creating plugdev group if he isn't already there if ! getent group plugdev >/dev/null; then addgroup --system plugdev fi # creating usbmux user if he isn't already there if ! getent passwd usbmux >/dev/null; then adduser --system --ingroup plugdev \ --home /var/lib/usbmux --no-create-home \ --gecos "usbmux daemon" \ usbmux fi