Fixing NGINX Upstream Connection Refused SSL Errors - Fix Externally Managed Environment pip Error-Mac Chrome NET::ERR_CERT_AUTHORITY_INVALID Solution

Updated 2026-07-29 00:15:42backup-recovery
Fixing NGINX Upstream Connection Refused SSL Errors - Fix Externally Managed Environment pip Error-Mac Chrome NET::ERR_CERT_AUTHORITY_INVALID Solution
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.