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I work at SUSE so i'm going to recommend MicroOS because it is the BEST immutable distro. But other options I like are Flatcar and Alpine (not immutable but very lightweight). The things I think are best to look for in a k8s node OS are: • extremely lightweight - just needs the bare minimum to run • Immutable - after the system is built, I don't want people or things to change it • easy to declare in an idempodent manner - I should be able to reproduce the same config across all nodes to make them as uniform as possible. hope this helps 🙂

This does! For micro, do you suggest the automated installer? Or openstack iso? Im assuming the openstack iso w/ a cloud-init config?

yes - cloud-init is a MUST for Rancher

There are some changes Ill need to make to the node driver to properly support cloud-init but it should be doable 🙂

So go the OpenStack route for now - in the short future all MicroOS images will have cloud-init by default 🙂

Ty! Sincerely appreciate the advice 🙏