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

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Why Docker Compose Build --no-cache Is Slow and How to Fix It

If you've run docker compose build --no-cache and found it painfully slow, you're no...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix Windows Activation Unable to Connect to Server

When you try to activate Windows and see 'unable to connect to your organization's activation ser...

Microsoft Store Timeout Error: How to Fix It

You open Microsoft Store to download or update an app, and after a long wait you see a timeout er...

How to Fix pnpm Store Permission Denied on Linux

When running pnpm on Linux, you may see errors like EACCES: permission denied when p...