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

How to Use Chrome's Built-in Memory Cleanup Tool

If Chrome is eating up your system memory and slowing everything down, you don't need third-p...

Docker Container Exits Immediately After Start: Network Fixes

You start a Docker container and it exits right away. The container logs show no errors, or the e...

Cloudflare DNS Not Propagating for Subdomain: Fixes

You added a subdomain record in Cloudflare DNS, but it still resolves to the old IP or nothing at...

Fix Nginx Upstream Connection Refused Socket Error