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

Cloudflare Origin Certificate Setup Checklist

If you're setting up a Cloudflare origin certificate to encrypt traffic between Cloudflare an...

Chrome Memory Not Decreasing After Closing Tabs – Fixes

You close a dozen tabs, but Chrome still eats 2 GB of RAM. This is normal up to a point—Chrome ca...

Fix VS Code Terminal 'Access Denied' Error

When you open the integrated terminal in VS Code and see 'Access Denied', it usually mean...

Fix Nginx Configuration Test Failure for Upstream Directive

When you run nginx -t and get an error involving the upstream directive...

Fix Nginx Upstream Connection Refused Socket Error