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

Cloudflare Origin Certificate Setup for Apache

If you use Cloudflare's proxy (orange cloud), you can set up an origin certificate to encrypt...

Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10

You're browsing in Chrome or Edge and see NET::ERR_CERT_AUTHORITY_INVALID. T...

Chrome Extensions Not Loading? Reset Chrome to Fix

You open Chrome, click the extensions icon, and nothing happens. Or extensions are grayed out, mi...

Fix Node Version Incompatible with npm Package Error

Fix Docker 'network not found' Error for Custom Networks

You create a custom Docker network, then try to run a container attached to it, but get an error ...

Fixing Python Memory Errors When Generating Large Files

You're running a Python script that generates a large file—maybe a CSV with millions of rows ...