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

How to Fix Cloudflare 521 Error During Setup

If you see a 521 error after setting up Cloudflare, it means your origin server refused the conne...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Chrome Extensions Not Loading? Reset Chrome to Fix

You open Chrome, click the extensions icon, and nothing happens. Or extensions are grayed out, mi...

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like:

Docker Compose Environment Variable Not Set in Container: Fixes

You ran docker-compose up, but the environment variable you defined isn't availa...