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

How to Force Enable Windows Defender Real-Time Protection

Windows Defender real-time protection sometimes gets disabled by group policies, third-party anti...

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

How to Set Node Version for a Project

When working on multiple projects that require different Node.js versions, you may encounter erro...

How to Create a package.json for Your npm Project

If you're starting a Node.js project, you'll need a package.json file. This ...

Git Detached HEAD vs Attached HEAD: What It Means and How to Fix

If you've seen the message "You are in 'detached HEAD' state" while using Git...