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

Recover Lost Changes After Git Detached HEAD

You've made several edits, then checked out an old commit or tag, and now Git says you're...

Windows 11 Update Stuck at 0% Due to Corrupt Files: Fixes

You start a Windows 11 update, and it hangs at 0% for minutes or hours. Corrupt system files are ...

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix Git Push Rejected Non Fast Forward Error