Jellyfin install blocked by port 1900 conflict

fails during a custom install because port 1900 is reported as already in use. The setup is meant to point at the correct movie and TV show folders. The system is a clean Zorin install, and is the first app being installed.

That means the conflict may come from a system service or base setup, not from a long list of existing apps. The next useful step is to find what is using port 1900 and then change either that service or ’s settings.

Key points

  • reports that port 1900 is already in use during setup.
  • The install is a custom setup for choosing movie and TV show folders.
  • The is described as a clean Zorin install.
  • is the first app being installed, so the conflict may come from a service.
  • The practical fix starts with checking which process is using port 1900.
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