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Fix 'git pull failed index.lock file exists' Error - How to Fix Nginx Redirect Loop 302 Errors-Troubleshooting Nginx 502 Upstream Connection Refused

2026-07-28 10:47:18office-tools
Fix 'git pull failed index.lock file exists' Error - How to Fix Nginx Redirect Loop 302 Errors-Troubleshooting Nginx 502 Upstream Connection Refused

Final checklist

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