One or more machines running one of:
Ubuntu 16.04+
Debian 9
CentOS 7
RHEL 7
Fedora 25/26 (best-effort)
HypriotOS v1.0.1+
Container Linux (tested with 1800.6.0)
Minimal required memory & CPU (cores) Master node’s minimal required memory is 2GB and the worker node needs minimum is 1GB
The master node needs at least 1.5 and the worker node need at least 0.7 cores.