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 notesFix Nginx Configuration Test: Missing Semicolon Error
When running nginx -t to test your configuration, you might see an error like:
Docker Pull Access Denied on Mac M1: Step-by-Step Fix
If you're running Docker on an Apple M1 Mac and see 'access denied' when pulling an i...
How to Disable pip's Externally Managed Environment Warning
If you see the error error: externally-managed-environment when trying to install Py...
Fix Git Authentication Failed in VS Code on Linux
You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...
How to Fix Nginx Configuration Test Failed Error
When you run nginx -t and see "test failed", it means nginx found a problem ...
Issue queue
SitemapWindows 11 Installation Assistant Stuck During Update
pnpm audit fix not working: common causes and fixes
Windows Update Service Stops After Update – How to Restart
Wildcard Subdomain Cloudflare Troubleshooting
Resolve Git Lock File After System Crash
How to Fix Git Merge Conflicts When Pulling from Remote
Fix Git SSL Certificate Problem: Unable to Get Local Issuer
How to fix VS Code terminal not launching
Troubleshoot Docker Compose .env File Issues
Cloudflare SSL Full Strict Setup Guide
Chrome NET::ERR_CERT_AUTHORITY_INVALID Troubleshooting
Python Permission Denied After Upgrading pip: How to Fix
pnpm audit fix not working: common causes and fixes
Windows Update Service Stops After Update – How to Restart
Wildcard Subdomain Cloudflare Troubleshooting
Resolve Git Lock File After System Crash
How to Fix Git Merge Conflicts When Pulling from Remote
Fix Git SSL Certificate Problem: Unable to Get Local Issuer
How to fix VS Code terminal not launching
Troubleshoot Docker Compose .env File Issues
Cloudflare SSL Full Strict Setup Guide
Chrome NET::ERR_CERT_AUTHORITY_INVALID Troubleshooting
Python Permission Denied After Upgrading pip: How to Fix