Checklists for software errors, setup, and tool workflows.

Fixing Nginx 502 Bad Gateway in Docker WordPress Setups

If you're running WordPress in Docker behind an Nginx reverse proxy, a 502 Bad Gateway error ...

Fix Nginx Config Test 'Permission Denied' Error

Running nginx -t and seeing 'permission denied' can stop you from reloading ...

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...

Docker Container Exits Immediately After Start: Network Fixes

You start a Docker container and it exits right away. The container logs show no errors, or the e...

Fix 'pip externally managed environment' Error for venv Setup

When creating a Python virtual environment on newer Linux distributions (e.g., Debian 12, Ubuntu ...

Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules

You run npm install or npm start and get something like:

...