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

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Docker Desktop Engine Not Running on Windows

You open Docker Desktop on Windows, see the whale icon stuck in the system tray, and the engine s...

How to Fix Chrome Memory Hogging on Windows and Mac

You open Chrome, and your system slows to a crawl. The fan spins up, apps lag, and Task Manager s...

How to Fix Chrome Extensions Not Loading

You open Chrome, click the puzzle icon, and your extensions are grayed out or missing. This is co...

Docker Prune Not Freeing Enough Space: Practical Fixes

You run docker system prune -a expecting a big space recovery, but the freed space i...

Fix 'docker network not found' After Prune