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

DNS Probe Finished NXDOMAIN: Troubleshooting Checklist

Seeing "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome means the browser couldn't find the IP...

Docker Compose Environment Variable Not Updating? Fix It

Fix Cloudflare SSL Full Strict Mixed Content Warning

You've enabled Cloudflare SSL/TLS encryption mode to Full (strict) and now see mixed content ...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

Fix DNS Probe Finished NXDOMAIN for a Specific Website

If you see the error "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome when trying to visit a speci...