Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Limit Chrome Tab Memory Usage
If your computer slows down when you have many Chrome tabs open, you're not alone. Chrome is ...
How to Change npm Directory to Avoid Permission Denied
If you've seen "EACCES: permission denied" when running npm install -g, ...
Checklist to Fix npm Permission Denied Errors
If you see "EACCES: permission denied" or "Error: EACCES, mkdir" when running npm...
How to Check Docker Disk Space Usage
If you run Docker for a while, you may notice your disk space shrinking. Images, containers, volu...
Fix Docker Network Missing After Reboot
After a system reboot, you may find that a Docker network you created is no longer listed when yo...
Topic paths
Quick titles
How to Fix ERR_CONNECTION_RESET in Chrome Safe ModeDocker Compose .env File Troubleshooting GuideChrome ERR_CONNECTION_RESET: Network Settings FixVSCode Git Auth Error on Windows – Troubleshooting GuideRemove Problematic Windows 11 Update via Safe ModeGit Pull Refusing to Merge Unrelated Histories FixBlank Terminal in VS Code? Try These FixesChrome ERR_NAME_NOT_RESOLVED Mac Fix Guide