Netplan is a modern network configuration tool introduced in Ubuntu 17.10 and later adopted as the default for managing network interfaces in Ubuntu 18.04 and beyond. With its YAML-based configuration ...

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig. There are a lot of commands ...

If you’re considering adding Linux to your data center, or your company is looking at promoting you to become their first (or next) Linux admin, you probably understand there are lots of commands to ...

Just spent some time figuring it out. Figure I'd put it here for anybody else who may care and for future reference for myself in case I am on a system without access to my normal notes. There are two ...

Dear readers, I appear to have set a Paranoid Penguin record—six months spent on one article series. (It has consisted of five installments, with a one-month break between the second and third pieces.

Our newly configured DNS nameservers. How to set DNS nameservers in Ubuntu Server 18.04 Your email has been sent For years, whenever I needed to configure DNS nameservers in Linux I would turn to /etc ...

What if you could manage your data center switches and routers the same way you manage your servers, and cut capital expense costs in the bargain? That’s the pitch for white-box networking, the move ...