Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You attempt to run a MySQL container with a bind mount volume and get an error like mkdir: ...

Git index.lock File Exists Even After Deleting: Fixes
You delete the .git/index.lock file, but Git still says it exists. This can happen d...

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

How to Check Node Version Compatibility with a Package
You're about to install or update a package, and you see warnings like "requires Node.js ...

Fixing Common pnpm Workspace Setup Issues
When setting up a pnpm workspace, you might see errors like ERR_PNPM_WORKSPACE_PACKAGE_NOT_...

Fix VS Code Breakpoints Not Hitting in WSL
If you're debugging a project in WSL and VS Code breakpoints aren't being hit, you're...