Cross-platform script to set the wallpaper and clear browser data on Prewired attendee devices
The prewired-startup.py script is placed in /opt using admin privileges so that it can only be read by the normal user.
The prewired-startup.service entry is placed in /etc/systemd/system/.
C:\prewired\prewired-startup is executed by a scheduled task only visible from the prewired-admin user.