A script to surveil in Linux, using a web camera. Suitable for running a demo board, or other single-user computer, for example because a password is passed on the command line.
Blogging about it here: https://blogologue.com/search?category=1537135721X17
Note: On demoboards ffmpeg may use some time to compile a video, the system I'm running has 4 cores, which enables several videos to be compiled at once without bogging down the system.