Knowledge base for software setup, errors, and daily tool work.

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix VSCode Permission Denied in Docker Containers

When using Visual Studio Code's Remote – Containers extension or attaching to a running Docke...

How to Fix Nginx Upstream Connection Refused on Port 80

When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

Fix Docker Compose Port Already Allocated Error

When running docker-compose up, you may see an error like Error starting userl...