[Unit] Description =Fake Background Webcam - frame-source /dev/video%i -> /dev/video2%i Requires=dbus.socket [Service] Type = simple WorkingDirectory=/usr/lib/fake-background-webcam Environment="IMAGE_FOLDER=/var/lib/fake-background-webcam/default" ExecStartPre=modprobe v4l2loopback video_nr=2%i card_label="Fake background %i" exclusive_caps=1 ExecStart=/usr/bin/python fake.py \ -c /etc/fake-background-webcam/config.ini \ --webcam-path /dev/video%i \ --v4l2loopback-path /dev/video2%i ExecReload=/bin/kill -s INT $MAINPID ExecStopPost=-modprobe -r v4l2loopback [Install] #WantedBy=sockets.target WantedBy=default.target