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

Resolving Python Dependency Conflicts in setup.py

When you run pip install . or python setup.py develop, a dependency con...

Cloudflare DNS Not Propagating After SSL Certificate Change

You changed an SSL certificate in Cloudflare, but DNS changes aren't showing up. This is a co...

Fix VSCode Permission Denied on Save in Linux

You're editing a file in Visual Studio Code, press Ctrl+S, and see a red error: "Failed t...

Fix Windows Update Service Not Running in Event Viewer

You open Event Viewer to check for errors after a failed Windows Update, and you see an event sta...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...