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

How to Fix Nginx Redirect Loop in Server Block

You set up a server block in Nginx, but now the browser keeps redirecting—http to https, or www t...

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

Fix Windows Cannot Access Shared Folder with Password Protected Sharing

You try to access a shared folder from another computer on your network and get an error: "Wi...

Renew an Expired Cloudflare Origin Certificate: Step-by-Step

If your Cloudflare origin certificate has expired, visitors will see SSL errors and your server m...

Fix VS Code Git Authentication Failed for GitLab

If you see "Git authentication failed" in VS Code when pushing or pulling from a GitLab r...

Cloudflare 522 Error Checklist: Causes and Fixes

If you see a 522 Connection Timed Out error when visiting your site, Cloudflare ...