Workflow manuals for setup steps, repeatable tasks, and software operations.

How to Fix Git Push Rejected Non-Fast-Forward Error

When you run git push and see “rejected – non-fast-forward”, it means your local bra...

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Windows 11 Installation Assistant Stuck at 99% After Restart

You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...

Fix Chrome Freezing on Startup on Mac

If Chrome freezes or becomes unresponsive immediately after you open it on your Mac, the problem ...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

When Nginx returns a 403 Forbidden or logs an error like ...