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Cloudflare DNS Not Updating After Change: Fixes That Work - Troubleshooting Nginx Upstream Connection Refused Port 80-Ubuntu 23.04 pip externally managed environment fix

Updated 2026-07-28 10:05:25office-tools
Cloudflare DNS Not Updating After Change: Fixes That Work - Troubleshooting Nginx Upstream Connection Refused Port 80-Ubuntu 23.04 pip externally managed environment fix
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.