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

Fix Cloudflare DNS Propagation Not Happening for www

You updated DNS records for your www subdomain in Cloudflare, but hours (or days) later, the chan...

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

Cloudflare 521 Error: Troubleshooting and Fixes

When you see a 521 Web Server Is Down error, it means Cloudflare cannot establis...

Python Requests: timeout vs timeout Seconds Explained

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub

You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...