nmcli

Config connexion IP

mcli connection add type ethernet con-name connection-name ifname interface-name ip4 address gw4 address

Maj DNS

[root@bre-alma86 ~]# nmcli con show
NAME       UUID                                  TYPE      DEVICE
ethernet1  11479120-dfc1-419c-97f3-d467809f8398  ethernet  ens192

nmcli con mod ethernet1 ipv4.dns "10.159.66.68 10.159.66.71"
nmcli device reapply ens192

[root@bre-alma86 ~]# cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 10.159.66.68
nameserver 10.159.66.71