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

Windows Update Service Not Running in Windows 11: Fix It

If Windows Update won't start and you see an error like "Windows Update service is not ru...

Fix Nginx Permission Denied on CentOS: A Practical Guide

You're setting up Nginx on CentOS and hitting a 'permission denied' error in the erro...

Fix VS Code Terminal Not Opening WSL

You open VS Code, switch to the integrated terminal, select WSL as your default shell, and nothin...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Why Your Python Virtual Environment Isn't Activating

You created a virtual environment but when you run the activation command, nothing happens or you...

Fix Docker Compose Port Already Allocated Error

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