Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Git Merge Conflict Error Code 128
When you run git merge and get error: merge conflict followed by ...
VS Code Debugger Not Hitting Breakpoints in Node.js: Fixes
You set breakpoints in your Node.js code, start the debugger, and the execution runs straight thr...
Fix 'Windows Cannot Access Shared Folder' After Update
After a recent Windows update, you might see the error “Windows cannot access \\computername\shar...
How to Fix Nginx 502 Bad Gateway in Docker Logs
If your Nginx container shows a 502 Bad Gateway error, it usually means Nginx cannot...
Fix VSCode Intellisense Slow or Lagging: Practical Steps
If you notice IntelliSense suggestions appearing with a noticeable delay, or the editor freezes b...
Topic paths
Quick titles
Fix Windows Defender Real-Time Protection Not StartingWindows Security App Crashing? Here's How to FixGit Push Rejected: Non-Fast-Forward Error FixEdge Tabs Not Syncing? Try These FixesPython Dependency Conflict Checklist: Diagnose & FixHow to Fix Windows Update Error 0x80070002 (Low Disk Space)Fix Nginx 502 Bad Gateway: Upstream Connection RefusedDocker Desktop Engine Stopped Error 0 Troubleshooting