raspi buster uv4l service startet nicht exit-code failed code example

Example: raspian buster mit uv4l

sudo openssl genrsa -out /etc/ssl/private/selfsign.key 2048 &&  sudo openssl req -new -x509 -key /etc/ssl/private/selfsign.key -out /etc/ssl/certs/selfsign.crt -sha256