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

Docker Container Exits Immediately: No Error, Common Fixes

You run docker run and the container starts, then exits within a second. No error me...

How to Resolve Cloudflare Origin Certificate Chain Issues

When Cloudflare's edge cannot validate your origin server's certificate chain, visitors m...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Fix 'pip externally managed environment' on Ubuntu 23.04

If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...

Python Virtual Environment Not Activating in Git Bash: Fixes

You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...