使用 nmcli 配置网络

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nmcli connection modify eth0 ipv4.method manual \
    ipv4.address "172.16.1.100/24" \
    ipv4.geateway "172.168.1.2" \
    ipv4.dns "172.168.1.2"

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nmcli connection up eth0

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nmcli connection add type ethernet ifname eth0 con-name eth0-1 \
        ipv4.method manual \
        ipv4.addresses 172.16.100.100/24 \
        ipv4.gateway 172.16.100.1 \
        ipv4.dns 172.16.100.1 \
        autoconnect yes

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nmcli connection up eth0-1

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nmcli connection delete eth0-1

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nmcli device status

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nmcli device show eth0

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nmcli connection down eth0
# or
nmcli device disconnect eth0

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nmcli connection up eth0
# or
nmcli device connect eth0