So, Have any of you encountered this yet? I've been partly through lack of time, and partly through old school preference keeping most of my servers on Ubuntu 14.04 for a long time now. (some are in 16.04) Support for this LTS seems to be ending in April of next year, so I have started thinking about upgrading them. I was cautioned on the Ubuntu forums that in 18.04, networking has become very different, and to read up before doing the upgrade. Apparently Ubuntu has moved away from the traditional ifupdown where you configure your devices in /etc/network/interfaces to this new abstraction layer called netplan.io, which uses something called YAML I have never heard of before, to configure it. Maybe I'm a bit unusual, but I really LIKE ifupdown, and love configuring network manually in /etc/network/interfaces, and do so even on my desktops, disabling the GUI gnome network-manager that most distributions use these days for the desktop. This all reminds me of back when everyone was moving away from simple text config files and replacing them with stupid xml files which are way less usable. I'm going to go read up on how to configure neplan.io, but I am unhappy. I guess in 18.04, you can still remove netplan if you so prefer, and install ifupdown, but I wonder how long this will be an option now. I wonder if it might be time to switch to Debian. They keep it old school right? I wonder if they too are getting on board with this netplan bullshit. All I want is a distribution that uses ifupdown, and does not use systemd-resolved. Is that too much to ask? I'm all for change if it solves some major problem I have, but if it doesn't, I'd prefer everything to stay the same, forever.