Checklists for software errors, setup, and tool workflows.

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Latest checklists

When you mount a host directory into a Docker container, you may see errors like Permission...

Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...

How to Stop Windows Explorer from Restarting
If Windows Explorer (explorer.exe) keeps restarting—your taskbar disappears and reappears, or you...

Fixing Node.js Heap Out of Memory on Windows
If you see a FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of me...

Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Docker Compose Port Already Allocated: Checklist
You run docker-compose up and get an error like Error starting userland proxy:...