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

How to Recover from a Detached HEAD in Git After a Rebase

You're in the middle of a rebase, you see a message like 'detached HEAD', and you'...

Windows 11 Installation Assistant Stuck at 99% Disk Space

You’re running the Windows 11 Installation Assistant, it gets to 99%, and then sits there. The pr...

Firefox Secure Connection Failed Only on WiFi: Fixes

If Firefox shows a "Secure Connection Failed" error only when you're on WiFi—but the ...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix Nginx 502 Bad Gateway in Docker Containers

An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...

Git Merge --allow-unrelated-histories: When and How to Use It

You run git merge and get an error: fatal: refusing to merge unrelated histories...