DLNA Port conflicts

[jgwehr]

Both Jellyfin and Home Assistant want claim over port :1900 https://www.reddit.com/r/unRAID/comments/yngl4e/why_is_python3_listening_on_port_1900_how_can_i/

troubleshooting docs

• https://askubuntu.com/questions/104903/how-do-i-kill-processes-in-ubuntu
• https://stackoverflow.com/questions/24993704/docker-error-cannot-start-container-port-has-already-been-allocated