Hello  @jstraub , Can you please share the script? Many thanks in advance!. ... View more

I achieved this feat using Ambari version 2.6(Not sure about lower version) It requires manual intervention in installing ambari-agent I have documented steps here http://www.v3bigdata.in/2018/01/hdp-multi-os-type-and-version-support.html ... View more

@Wael Emam Its never recommended to have different OS for same host in cluster. If you still manage to bypass this for ambari agent install you will still face issue while deploying services and running applications on the host. Better is to re-install and use same version of OS. Still you can check - https://community.hortonworks.com/questions/18479/how-to-register-host-with-different-os-to-ambari.html ... View more