Since Google decided to launch its own DNS service, we've dug into finding the fastest domain name server and knowing if yours failed. If you're on a GNOME-based Linux system, you can also try any DNS ...

If you're setting up a DNS server on a Ubuntu or Debian machine and have no idea where to begin, Jack Wallen walks you through the process of installing the service. The Ubuntu server is an incredibly ...

If your Ubuntu-based Web server receives a dynamic IP address from your company's Internet Service Provider, the server will automatically be configured to use the ISP's Domain Name System (DNS) ...

Jack Wallen shows you how to flush the DNS cache on your Ubuntu Servers to avoid DNS-released networking issues. Image: gonin/Adobe Stock Sometimes a network connection doesn’t seem to function how we ...