Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

Docker Network Not Found After Container Restart: Fixes
You restart a Docker container and get an error like network <name> not found....

Docker Compose Port Already Allocated: Fixes & Checks
When you run docker-compose up and see an error like Error starting userland p...

Fix Nginx Redirect Loop in WordPress
You visit your WordPress site and get a "redirect loop" or "too many redirects" e...

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...

Fix Docker Container Exits Immediately in Background Mode
You run a Docker container with -d (detached mode) and it exits immediately. The con...