Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run docker system prune -a expecting a big space recovery, but the freed space i...

You run npm run build and get an error like Error: Missing required environmen...

Configure Git HTTP Timeout to Avoid Clone Failures
If your Git clone or fetch operations time out with errors like fatal: unable to access ...

Fix 'Python Not Recognized' Error on Windows 11
You installed Python on Windows 11, but when you type python --version in Command Pr...

Fix Nginx 'Permission Denied' Upstream Errors
When Nginx logs permission denied while connecting to an upstream (e.g., a Unix sock...

Fix pnpm Install Failures in CI/CD Pipelines
When pnpm install fails in your CI/CD pipeline, it usually stops the build. The error messages va...