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...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesDocker Compose .env File Not Loading: Common Fixes
You set environment variables in a .env file next to your docker-compose.yml
Fix Cloudflare Wildcard Subdomain Not Working with WordPress
You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all subdomains to ...
Git index.lock File Exists Even After Deleting: Fixes
You delete the .git/index.lock file, but Git still says it exists. This can happen d...
How to Run npm install Without sudo Permission Denied
When you run npm install -g or even a local install, you might see EACCES: per...
Cloudflare Origin Certificate Setup for cPanel
If you use Cloudflare as a reverse proxy, you can install a Cloudflare Origin Certificate on your...
Issue queue
SitemapHow to Stop Windows Explorer from Hanging
Troubleshooting Nginx Log Write Permission Denied
How to Use Chrome's Built-in Memory Cleanup Tool
Windows Defender Disabled by Malware: Recovery Steps
npm run build Exit Code 1 Troubleshooting Guide
Cloudflare 522 Plugin Conflict Troubleshooting
Enable Windows Defender Real-Time Protection: Step-by-Step
Node.js Package Compatibility: How to Verify Your Version
Git Merge Conflict: How to See the Diff Between Versions
Nginx Upstream Not Found Error Fix
Node.js Heap Out of Memory vs Stack Overflow: Key Differences
Docker Build Context Canceled: Causes and Fixes
Troubleshooting Nginx Log Write Permission Denied
How to Use Chrome's Built-in Memory Cleanup Tool
Windows Defender Disabled by Malware: Recovery Steps
npm run build Exit Code 1 Troubleshooting Guide
Cloudflare 522 Plugin Conflict Troubleshooting
Enable Windows Defender Real-Time Protection: Step-by-Step
Node.js Package Compatibility: How to Verify Your Version
Git Merge Conflict: How to See the Diff Between Versions
Nginx Upstream Not Found Error Fix
Node.js Heap Out of Memory vs Stack Overflow: Key Differences
Docker Build Context Canceled: Causes and Fixes