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

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Docker Compose Environment Variable Not Updating? Fix It

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

Cloudflare SSL Full Strict Origin Server Troubleshooting

When you set Cloudflare SSL/TLS encryption mode to Full (strict), your browser-to-Cloudflare conn...

Fix 'Permission Denied' for Yarn in VS Code Terminal

When you try to run yarn in the VS Code integrated terminal and see a Permissi...