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

How to Generate a Cloudflare Origin Certificate

If you're using Cloudflare as a reverse proxy, you may want to encrypt traffic between your s...

Fix Nginx Configuration Test Syntax Errors

When you run nginx -t and see syntax error, the nginx service will ...

Fix 'Python' Command Not Found After Reinstall on Windows

You reinstalled Python on Windows, but when you type python in Command Prompt, you g...

Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS

When you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means your computer can...

Fix Windows Defender Real-Time Protection Not Starting

If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...

Fix Node Sass Build Failure After npm Cache Clean