As per Sysbox user guide for installation in Kubernetes Clusters is a must worker nodes’ OS to be Ubuntu Focal or Bionic (with a 5.0+ kernel) (https://github.com/nestybox/sysbox/blob/master/docs/user-guide/install-k8s.md#kubernetes-worker-node-requirements) but DOKS workers are Debian based. Obviously that’s the reason why DOKS is not among tested Kubernetes distros pointed out(https://github.com/nestybox/sysbox/blob/master/docs/user-guide/install-k8s.md#kubernetes-distro-requirements).
Despite of all this I’m curious if someone has tried to install Sysbox on DOKS because of its various advantages it offers.
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This is an interesting case, I have forwarded this information to our Managed Kubernetes team for an internal follow-up.
An alternative solution in the meantime would be to set up a Kubernetes cluster on a few Droplets, that way you will have full control over the Kernel version of your servers.