The dev is very active on slack I will tell him to answer here ! 
For all linux VPS users a member did a script to help you : http://www.projectonthemoon.com/renos.sh
Is this script to setup Renos master-node on vps for all Linux OS? we need more information regarding this script. For all linux VPS users a member did a script to help you : http://www.projectonthemoon.com/renos.sh
It has yet to be tested on raspian but works on others very well.