This command is used to configure a network connection on RHEL7/Centos7 with: ip4: ip address gw4: gateway if you need to configure DNS for that connection you need to use the command below: nmcli con mod eth0 ipv4.dns " a.a.a.a b.b.b.b " Once it's done you need to bring the connection up: nmcli con up eth0
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