Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Python Memory Errors on Large Files in Windows
If you're getting a MemoryError when trying to open or process a large file in P...
Fix Node Version Incompatible with npm Package Error
When you run npm install and see an error like Unsupported engine or
Fix err_name_not_resolved Caused by Chrome Extensions
If you see err_name_not_resolved in Chrome, a misbehaving or conflicting extension c...
Fix VS Code 'Permission Denied' When Saving Files
You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...
Fix 'git remote origin already exists' Error on Mac
If you see fatal: remote origin already exists when trying to add a remote repositor...
Issue queue
SitemapResolve Windows Update Error 0x80070002
Creating a Branch from Detached HEAD in Git
How to Fix Canceled Build Context in Docker Desktop
Fix Python venv Not Activating in CMD
Git HTTP Timeout Settings: Step-by-Step Guide
Fix Git Push Rejected Non Fast Forward Force
Nginx Missing Semicolon Error Fix
Fix 'Windows Cannot Access Shared Folder' Samba Error
VS Code Terminal Yarn Permission Error Solved
How to Open VSCode Terminal for Python
Fixing NGINX Upstream Connection Refused SSL Errors
Docker Compose Port Mapping Not Working: Fixes
Creating a Branch from Detached HEAD in Git
How to Fix Canceled Build Context in Docker Desktop
Fix Python venv Not Activating in CMD
Git HTTP Timeout Settings: Step-by-Step Guide
Fix Git Push Rejected Non Fast Forward Force
Nginx Missing Semicolon Error Fix
Fix 'Windows Cannot Access Shared Folder' Samba Error
VS Code Terminal Yarn Permission Error Solved
How to Open VSCode Terminal for Python
Fixing NGINX Upstream Connection Refused SSL Errors
Docker Compose Port Mapping Not Working: Fixes