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

How to Generate a Cloudflare Origin Certificate

If you're using Cloudflare as a reverse proxy, you may want to encrypt traffic between your s...

Why Windows Security App Keeps Crashing and How to Fix It

If the Windows Security app keeps crashing when you open it, you're not alone. This issue oft...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix Nginx 502 Bad Gateway with Docker Environment Variables

If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

Fix 'Git Remote Origin Already Exists' Error

When you run git remote add origin <url> and see fatal: remote origin al...