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

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix 'fatal: refusing to merge unrelated histories' in Bitbucket

You're working with a Bitbucket repository and when you try to merge two branches, Git throws...

Fix 'git remote origin already exists' Error in GitLab

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Fix Bluetooth Permission Denied Error on Windows 11

If you see a "Bluetooth permission denied" error on Windows 11, it usually means somethin...

Fix Windows 11 WiFi No Internet Due to Proxy Settings

If your Windows 11 laptop shows full WiFi bars but browsers say “No internet,” a common culprit i...