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...

Windows Defender Real-Time Protection Greyed Out: How to Fix

If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...

Fix Node Version Incompatible with npm Package Error

Fix Docker Permission Denied Errors on Ubuntu

You start a Docker container with a mounted volume, and get a permission denied error when the co...

Chrome Using Too Much RAM? Here's How to Fix It

If your computer slows down or fans spin up when Chrome is open, you're likely seeing Chrome ...

Fix Chrome Certificate Error: Invalid Authority on Company Network

When Chrome displays Your connection is not private with NET::ERR_CERT_AUT...