Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You set environment variables in a .env file next to your docker-compose.yml

Fix Node.js Heap Out of Memory on Linux Server
If your Node.js application crashes on a Linux server with FATAL ERROR: Ineffective mark-co...

npm run build Failed: Troubleshooting Checklist
When npm run build fails, the error message can be cryptic. This checklist walks thr...

Fix pip Error: Externally Managed Environment
If you're on a modern Linux distribution (like Debian 12, Ubuntu 23.04+, Fedora, or Arch) and...

How to Fix npm Permission Denied for Global Packages
When you run npm install -g and see EACCES: permission denied, it usual...

Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules
You run npm install or npm start and get something like:
...