Useful commands
Setting a hostname
hostnamectl set-hostname "ClusterTest1"
Setting network interface parameters with nmcli
sudo nmcli con edit eno12399
nmcli> set
ipv4.addresses 192.168.2.6/24,192.168.3.6/24
nmcli> print ipv4
ipv4.method: auto
ipv4.dns: --
ipv4.dns-search: --
ipv4.dns-options: ""
ipv4.dns-priority: 0
ipv4.addresses: 192.168.2.6/24,
192.168.3.6/24
nmcli> save