Fixing Nginx 502 Bad Gateway with Docker and Load Balancers
If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFixing Docker Pull Access Denied on Linux: Permission Error Guide
If you see docker pull access denied or a permission error on Linux, it usually mean...
Cloudflare Wildcard Subdomain CNAME Setup Guide
If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...
Fix VS Code Breakpoints Not Hitting in React Apps
You set a breakpoint in your React component, but when you run the app, the debugger never stops ...
Checklist for Pushing Large Files with Git
You've likely hit this: you try to push a commit, and Git rejects it because a file is too la...
How to Fix Python Dependency Conflicts When Installing Packages
You run pip install some-package and get a wall of text about conflicting dependenci...
Issue queue
SitemapWindows 10 Taskbar Icons Not Showing: Troubleshoot
Fix Python pip Permission Denied Error
Fix Git Push Rejected Due to Large File Size
How to Stop Chrome Black Screen on Windows 11
How to Fix Windows 11 Update Hanging at 0%
Firefox DNS Error Troubleshooting Guide
Fix Nginx Permission Denied on Socket File
Passing Env Vars to Docker Compose Build
How to Fix Chrome STATUS_ACCESS_VIOLATION Error
Git SSL Certificate Problem Unable to Get Local Issuer Fix
Reset Windows Security App Settings Guide
Fixing Edge Sync Error 0x80072efd on Windows
Fix Python pip Permission Denied Error
Fix Git Push Rejected Due to Large File Size
How to Stop Chrome Black Screen on Windows 11
How to Fix Windows 11 Update Hanging at 0%
Firefox DNS Error Troubleshooting Guide
Fix Nginx Permission Denied on Socket File
Passing Env Vars to Docker Compose Build
How to Fix Chrome STATUS_ACCESS_VIOLATION Error
Git SSL Certificate Problem Unable to Get Local Issuer Fix
Reset Windows Security App Settings Guide
Fixing Edge Sync Error 0x80072efd on Windows