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

Docker Container Exits Immediately with Code 0: Fixes

You run a Docker container and it stops almost instantly with exit code 0. This means the main pr...

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

Fix PyCharm Virtual Environment Not Activating

When you open a terminal in PyCharm and see the base Python interpreter instead of your virtual e...

Win 11 WiFi Connected But No Internet: IPConfig Release/Renew Fix

You're connected to WiFi, the icon shows full bars, but websites won't load. This usually...

Fixing Node Sass Build Failures on Linux

How to Fix Windows Update Service Not Running

If Windows Update won't start or you see an error like "Windows Update cannot check for u...