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

Fixing Git Authentication Failed in VS Code

If you see "git authentication failed" when pulling, pushing, or cloning in VS Code, the ...

Fix Cloudflare 522 Error with Nginx Configuration

You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...

Grant Docker Registry Pull Access: Step-by-Step Guide

If you manage a private Docker registry, you often need to give certain users or CI systems the a...

Fix Nginx Upstream Connection Refused in Proxy Pass