Turn on camera and plug in USB. Then find your camera. gphoto2 –auto-detect When your camera is displayed, start capturing with gphoto, and output with ffmpeg. gphoto2 –stdout –capture-movie | ffmpeg -i - -vcodec rawvideo -pix_fmt yuv420p -threads 0 -f v4l2 /dev/video0

Regenerate your host keys in a new ProxMox container from template: sudo dpkg-reconfigure openssh-server