Checklists for software errors, setup, and tool workflows.

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Latest checklists

You start Docker Desktop and see “Docker Desktop engine stopped” with a message about a virtual m...

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix Node Engine Requirement Not Satisfied Error
You run npm install and see: engine "node" is incompatible with this m...

Fix 'Externally Managed Environment' Error on Linux
If you're on a modern Linux distribution (Ubuntu 23.04+, Debian 12+, Fedora 38+, etc.) and ge...

Fix Nginx Upstream Connection Refused Error
When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

Fix 'Permission Denied' in VS Code When File Isn't Read-Only
You're editing a file in VS Code and get a 'Permission denied' error when saving, eve...