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

Fix Cloudflare Wildcard Subdomain DNS Propagation Delay

You set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, but new subdom...

Fix Cloudflare Wildcard Subdomain SSL Not Working

You set up a wildcard SSL certificate for your domain on Cloudflare, but some subdomains still sh...

Fix Git Push Rejected Non Fast Forward Error

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...

Fixing Common pnpm Workspace Setup Issues

When setting up a pnpm workspace, you might see errors like ERR_PNPM_WORKSPACE_PACKAGE_NOT_...