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

Docker Compose Environment Variable Not Updating? Fix It

How to Merge a Git Detached HEAD Back to Master

If you see a message like 'You are in 'detached HEAD' state' after checking out a...

Fix Cloudflare 521 Error: DNS Configuration Problem

If you see a Cloudflare 521 error page, it means Cloudflare's servers are unable to connect t...

Fix VSCode Git Auth Failed: Expired Token

You're working in Visual Studio Code, try to push or pull, and see an error like "Git: Au...

Fix Wi-Fi Adapter Not Working in Windows 11: No Internet

You connect to Wi-Fi in Windows 11, but the icon shows a globe with “No internet.” The adapter mi...

Fix VSCode Git Authentication Failed: Permission Denied

If you see 'Git authentication failed' or 'permission denied' when pushing or pul...