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

Fix Docker Compose Build No Cache Error

When you run docker compose build --no-cache and hit an error, it usually means the ...

How to Fix UFW Firewall Port Not Open in Ubuntu

You've configured UFW to allow a port (e.g., 8080) but connections still fail. The port appears c...

Fix 'ModuleNotFoundError: No module named' in Windows Terminal

If you're seeing ModuleNotFoundError: No module named 'something' in Windows Termina...

Ubuntu Windows Security Compatibility Troubleshooting Guide

If you run both Ubuntu and Windows on the same machine—either in a dual-boot configuration or thr...

Windows Update Pending Install Troubleshooting Checklist

If a Windows update shows "Pending install" and never completes, the system is stuck waiting. Thi...

Fixing GitHub Actions Permission Denied for Git Commands