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Home / macos-help / How to Fix Nginx Upstream Connection Refused on Port 80 - Fixing pnpm EINTEGRITY Integrity Check Failures-pnpm install Fails with ETIMEDOUT: Troubleshooting Guide

How to Fix Nginx Upstream Connection Refused on Port 80 - Fixing pnpm EINTEGRITY Integrity Check Failures-pnpm install Fails with ETIMEDOUT: Troubleshooting Guide

Updated 2026-07-28 14:46:51macos-help
How to Fix Nginx Upstream Connection Refused on Port 80 - Fixing pnpm EINTEGRITY Integrity Check Failures-pnpm install Fails with ETIMEDOUT: Troubleshooting Guide
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.