Make sure you have nodes ready with 3gb memory & 2cpu each . [root@localhost ~]# hostnamectl set-hostname master.example.com [root@localhost ~]# bash [root@master ~]# [root@master ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33 BOOTPROTO=static IPADDR=192.168.109.10 GATEWAY=192.168.109.2 [root@master ~]# service network restart [root@master ~]# vim /etc/hosts 192.168.109.10 master.example.com master 192.168.109.11 node1.example.com node1 192.168.109.12 node2.example.com node2 Do the above steps for the nodes … Continue reading openshift 3.9 cluster set up