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

Cloudflare Origin Certificate Setup Checklist

If you're setting up a Cloudflare origin certificate to encrypt traffic between Cloudflare an...

Fix 'docker network not found' Error on Mac

If you're on a Mac and Docker returns network not found when you try to run or i...

Docker Compose Secret vs Environment Variable: When to Use Each

If you're writing a docker-compose.yml and wondering whether to put a value in <...

Fixing Cloudflare 522 Errors Caused by Server Resource Exhaustion

If you're seeing a Cloudflare 522 error, it means your web server is not responding in time. ...

Fix Git Pull Unrelated Histories Error: Step-by-Step

You run git pull and see: fatal: refusing to merge unrelated histories....

How to Fix Git Push Rejected: Non-Fast-Forward Merge