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

Recover Lost Commits After Git Detached HEAD

You've made commits while in a detached HEAD state, and now you can't see them on any bra...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

How to Turn On Bluetooth in Windows 11: Quick Fixes

You open Quick Settings, click the Bluetooth icon, and nothing happens—or the toggle is grayed ou...

Git Push Large File Timeout Error: Fixes and Workarounds

You're trying to push a commit that includes a large file—maybe a dataset, a binary, or a gen...

How to Fix Nginx Redirect Loop Infinite Redirect

If you see a browser error like "ERR_TOO_MANY_REDIRECTS" or "redirect loop", Ngin...

Fix Windows 11 Installation Assistant Frozen During Update

You launch Windows 11 Installation Assistant to upgrade from Windows 10, but the progress bar sto...