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Localhost11501

Cause: No service is listening on port 11501, or the service crashed.
Fix:

  • "Timeout" or slow responses
  • "Certificate/security errors" (HTTPS)
  • Service reachable from other machines?
  • Port already in use
  • Reverse proxy: route a path from another local server (e.g., nginx) to localhost:11501.
  • Cause: No service is listening on port 11501, or a firewall is blocking it. localhost11501

    Solutions:

    sudo lsof -i :11501
    

    or

    netstat -tulpn | grep :11501
    

    This shows the process name and PID.

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