I have implemented the recommended steps as described in several sites (https://www.digitalocean.com/community/tutorials/how-to-set-up-a-video-streaming-server-using-nginx-rtmp-on-ubuntu-20-04) to have live streaming from nginx web server but at the end I listen only the audio but not webcam. The instructions are too simple to make a mistake. I set up an Ubundu 20.04, install nginx with rtmp modulby nonlinear - How to...