Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Knowledge base for software setup, errors, and daily tool work.
Common intent:
Shortcut:
Latest knowledge entries
BrowseFix 'fatal: refusing to merge unrelated histories' in Bitbucket
You're working with a Bitbucket repository and when you try to merge two branches, Git throws...
Fix VSCode IntelliSense Not Working for PowerShell
If you're editing PowerShell scripts in VS Code and IntelliSense stops showing suggestions (n...
Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot
You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...
Fix DNS Probe Finished NXDOMAIN on Google DNS Setup
If you see "DNS probe finished NXDOMAIN" in your browser, it means your device couldn'...
How to Stop Nginx Redirect Loop: Practical Fixes
An Nginx redirect loop (too many redirects) usually appears as a browser error after multiple 301...
Node.js Memory Limit Troubleshooting Guide
Chrome Won't Open After Update: Step-by-Step Fix
Windows 11 Bluetooth Icon Not in System Tray
Windows Defender Real-Time Protection Registry Fix Guide
How to Handle Non-Fast-Forward Upstream
Windows Security App Not Opening as Administrator: Fixes
Handling Python Requests Timeout on Slow Networks
Reduce Chrome Memory Usage Without Restart
Git Merge Conflict Checklist Before Merging
Fix Nginx Upstream Connection Refused & Upstream Not Found
Chrome Won't Open After Update: Step-by-Step Fix
Windows 11 Bluetooth Icon Not in System Tray
Windows Defender Real-Time Protection Registry Fix Guide
How to Handle Non-Fast-Forward Upstream
Windows Security App Not Opening as Administrator: Fixes
Handling Python Requests Timeout on Slow Networks
Reduce Chrome Memory Usage Without Restart
Git Merge Conflict Checklist Before Merging
Fix Nginx Upstream Connection Refused & Upstream Not Found