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Fix 'Git Remote Origin Already Exists' When Updating Remote URL - Fix Cloudflare Error 521 After a Server Update-Fix Nginx Redirect Loop Issues

2026-07-28 10:09:28office-tools
Fix 'Git Remote Origin Already Exists' When Updating Remote URL - Fix Cloudflare Error 521 After a Server Update-Fix Nginx Redirect Loop Issues

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.

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