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

Cloudflare Wildcard Subdomain CNAME Setup Guide

If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...

Fix Cloudflare Origin Certificate Not Trusted by Browser

You've set up Cloudflare with an origin certificate, but browsers show a warning that the cer...

Fix Git Clone Timeout in VS Code: Practical Steps

You're trying to clone a repository in VS Code, but the operation times out. This often happe...

Docker Container Exits Immediately: How to Find Logs and Fix It

You start a Docker container and it stops within seconds. The status shows "Exited (0)" o...

Git Large File Storage Setup Tutorial

If you've ever tried to push a repository containing large binary files—like design assets, d...

How to Set npm Prefix to Avoid Permission Denied Errors