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

Fix npm Run Build Out of Memory Errors

If your npm run build fails with an out-of-memory error, you're not alone. This ...

docker compose set environment variable from file

When running Docker Compose, you often need to pass environment variables to your services. Hardc...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix Cloudflare Wildcard Subdomain Not Working with WordPress

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all subdomains to ...

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 Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...