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

Cloudflare 522 Error Fix Checklist

If you're seeing a Cloudflare 522 error, it means Cloudflare couldn't establish a TCP connection ...

Fix GitHub Actions Docker Push Permission Denied

OBS Virtual Camera Not Showing in Google Meet: Fixes

You've set up OBS Studio, added your sources, and started the virtual camera—but when you open Go...

Fix Windows Activation Error 504 on VPN Connection

If you see error 504 when trying to activate Windows while connected to a VPN, it usually means t...

Fix Kubernetes kubectl Connection Refused to Cluster

When you run kubectl get nodes and see connection refused, it means kub...

How to Fix OBS Virtual Camera Not Showing Up

You've installed OBS Studio, set up your scenes, and want to use the virtual camera in Zoom, Disc...