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

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Fix Git Push Rejected Non Fast Forward Error

Fix VS Code Terminal Not Opening PowerShell

If you click the terminal panel in VS Code and nothing happens, or it opens a blank shell instead...

Docker Compose Environment Variable Override Not Working: Fixes & Checks

You set an environment variable in your shell or .env file, but Docker Compose ignor...

How to Update Git Remote Origin URL

When a repository's remote URL changes—for example, after migrating to a new Git server or sw...

Fix Git Push Non-Fast-Forward and Permission Denied Errors

When you run git push and get an error like ! [rejected] main -> main (non-...