Fix Nginx Upstream Connection Refused in Docker - Resolve pip Externally-Managed-Environment for venv on Linux-Fix npm install Permission Denied on node_modules

Updated 2026-07-28 10:18:43browser-issues
Fix Nginx Upstream Connection Refused in Docker - Resolve pip Externally-Managed-Environment for venv on Linux-Fix npm install Permission Denied on node_modules
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.