Knowledge base for software setup, errors, and daily tool work.

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

Cloudflare 521 Error: Troubleshooting and Fixes

When you see a 521 Web Server Is Down error, it means Cloudflare cannot establis...

Fix VS Code Git Authentication Failed for GitLab

If you see "Git authentication failed" in VS Code when pushing or pulling from a GitLab r...

Docker Compose Multiple Environment Files Not Merging? Fix Here

You have multiple .env files for different environments (e.g., .env.dev...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix Windows Defender Real-Time Protection Configuration Error

You open Windows Security and see a message that real-time protection is turned off or has a conf...