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

Fix Cloudflare Wildcard Subdomain Not Resolving

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all s...

Chrome Extensions Not Loading? Try This Checklist

You open Chrome, click the puzzle icon, and see your extensions are grayed out or missing entirel...

Fix Nginx Configuration Test Failure in Docker

When you run nginx -t inside a Docker container and get an error, the container usua...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Resolving Git Merge Conflicts Between Two Branches

You try to merge branch A into branch B, but Git reports a merge conflict. This is common when bo...

Fix Windows 11 Bluetooth Error 0x00000001

If you see error code 0x00000001 when trying to turn on Bluetooth or pair a device in Windows 11,...