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 notespnpm audit fix not working: common causes and fixes
When you run pnpm audit fix and it fails, you might see messages like "No fixes ...
Fix Docker Nginx 502 Bad Gateway with MySQL
You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...
Fix Git Merge Conflicts When Stash Changes Are Involved
You're mid-merge, and Git tells you there's a conflict. But you also have stashed changes...
Fix Nginx Upstream Connection Refused Error
If you see upstream connection refused in your Nginx error logs, it means Nginx trie...
Fix VS Code Source Control Not Detecting Changes on Windows 11
If you're using VS Code on Windows 11 and the Source Control panel isn't showing your fil...
Issue queue
Sitemapnpm ERR! enoent package.json: Causes and Fixes
Python venv Won't Activate in VS Code Terminal
Troubleshoot Windows Update Service Not Running (Group Policy)
Fix Error 525 SSL Handshake Failed Cloudflare
Permission Denied in VS Code Terminal for Node.js
Understanding timeout vs timeout seconds in Requests
How to Disable Chrome Extensions to Free Up Memory
Stop Windows Explorer from Constantly Restarting
Fix Node Sass Build Failure Due to Node Version Mismatch
How to Fix Node Version Incompatibility with npm Packages
Resolving Git SSL Certificate Problems on Linux macOS Windows
DNS Probe Finished NXDOMAIN Error Explained
Python venv Won't Activate in VS Code Terminal
Troubleshoot Windows Update Service Not Running (Group Policy)
Fix Error 525 SSL Handshake Failed Cloudflare
Permission Denied in VS Code Terminal for Node.js
Understanding timeout vs timeout seconds in Requests
How to Disable Chrome Extensions to Free Up Memory
Stop Windows Explorer from Constantly Restarting
Fix Node Sass Build Failure Due to Node Version Mismatch
How to Fix Node Version Incompatibility with npm Packages
Resolving Git SSL Certificate Problems on Linux macOS Windows
DNS Probe Finished NXDOMAIN Error Explained