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

How to Push a Git Detached HEAD to Remote

You're working on a Git repository and realize you're in a 'detached HEAD' state....

VSCode IntelliSense Not Working for React: Fixes

You open a React component in VSCode, start typing a prop or a hook, and get no suggestions. Inte...

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

Taskbar Icons Missing But Taskbar Visible: Fixes

You see the taskbar at the bottom of your screen, but the icons—like the Start button, search bar...

Fix 'git remote origin already exists' Error in GitLab

Fix Cloudflare Wildcard Subdomain DNS Propagation Delay

You set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, but new subdom...