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

How to Configure pnpm Store Path (and Fix Common Issues)

If you use pnpm, you may run into disk space warnings, permission errors, or duplicate packages. ...

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 VSCode Save File Permission Denied Error

You try to save a file in Visual Studio Code and see 'Permission denied'. The file might ...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

How to Fix Git Detached HEAD in IntelliJ IDEA

If you see a message like “You are in ‘detached HEAD’ state” in IntelliJ IDEA, it means your work...

Git Large File Storage Setup Tutorial

If you've ever tried to push a repository containing large binary files—like design assets, d...