Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If your Windows 11 update is stuck at 0% and not progressing, the SoftwareDistribution

How to Recover from a Detached HEAD in Git After a Rebase
You're in the middle of a rebase, you see a message like 'detached HEAD', and you'...

Fix Git Clone Connection Timed Out Due to Proxy Settings
You run git clone https://github.com/example/repo.git and after a long pause you get...

Fix Nginx 502 Bad Gateway in Docker Alpine
You have an Nginx container running on Alpine Linux, and it returns a 502 Bad Gateway. This usual...

Docker Desktop Engine Troubleshooting Checklist
When Docker Desktop fails to start or the engine stops responding, the cause is often a misconfig...

How to Fix a Detached HEAD with Git Reset --hard
You're working in Git, and suddenly you see a warning: You are in 'detached HEAD...