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

Cloudflare SSL Full Strict Setup Guide

If you enable Cloudflare's SSL/TLS encryption and set it to Full (Strict), y...

Cloudflare DNS Propagation Not Working with New Domain: Fixes

You registered a new domain, set it up with Cloudflare, but after hours (or days) the site still ...

How to Fix Nginx Upstream Connection Refused Error

If you're seeing upstream connection refused in your Nginx error logs, it usuall...

Recover Lost Changes After Git Detached HEAD

You've made several edits, then checked out an old commit or tag, and now Git says you're...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Fix VS Code Git Auth Failed with Personal Access Token

If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...