developmen/cvsd UID clashes with system/usbmux You must have a "cvsd" user to run this script. # useradd -u 233 -g cvsd -d /srv/cvsd -s /bin/false cvsd I got a 'not unique' message and /etc/passwd shows it's already assigned to usbmux usbmux:x:233:83::/dev/null:/bin/false D.