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

Setting Up Cloudflare Wildcard Subdomains: A Practical Guide

If you need to route traffic for any subdomain (like *.example.com) to the same server, Cloudflar...

Fix Git Clone Connection Timed Out on AWS CodeCommit

If you're seeing git clone connection timed out when trying to clone a repositor...

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

Fix Windows Update Error 0x80070002 on Windows 11

If you see error 0x80070002 when running Windows Update on Windows 11, it usually means Windows c...

How to Set npm Prefix to Avoid Permission Denied Errors