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

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

Fix kubectl apply Forbidden on GKE

How to Set Up OneDrive to Avoid 404 Not Found Errors

If you're seeing "404 Not Found" errors when accessing files in OneDrive, it usually means the fi...

Fix Nginx Sync Permission Denied Between Servers

When syncing nginx configuration files between servers, you might see errors like Permissio...