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

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...

Fix Docker Build Context Canceled by Symlink Errors

If you see context canceled during a docker build and you have symlinks...

Fix Windows 11 WiFi Connected but No Internet After Sleep

You wake your Windows 11 PC from sleep, the WiFi icon shows connected, but you can't load any...

Fix pnpm ERR! Cannot Find Module – Practical Steps

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

How to Resolve Git SSL Certificate Error: Unable to Get Local Issuer

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...