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Fix Git 'index.lock' File Exists Error on Linux - How to Fix Permission Denied in VSCode on Linux-Troubleshooting Nginx Upstream Connection Refused

2026-07-28 13:34:38
Fix Git 'index.lock' File Exists Error on Linux - How to Fix Permission Denied in VSCode on Linux-Troubleshooting Nginx Upstream Connection Refused

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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