處理前動作
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檢查文件中已經有配置: /etc/network/interfaces 如果有需要註解，範例如下:
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# The primary network interface
# allow-hotplug enp1s0
# iface enp1s0 inet dhcp
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新增網卡配置
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sudo nmcli connection add type ethernet con-name enp1s0 ifname enp1s0 ipv4.addresses 192.168.56.100/24 gw4 192.168.56.1 ipv4.dns 127.0.0.1 ipv4.method manual
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設定完需要重起 NetworkManager
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sudo systemctl restart NetworkManager
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修改網卡配置
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sudo nmcli connection modify enp1s0 +ipv4.dns 8.8.8.8
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sudo nmcli connection modify enp1s0 ipv4.addresses 192.168.17.208/24
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sudo nmcli connection modify enp1s0 ipv4.gateway 192.168.17.254
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sudo nmcli connection modify enp1s0 ipv4.dns 192.168.1.1
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sudo nmcli connection modify enp1s0 ipv4.method manual
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維護常用指令
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sudo nmcli connection down enp1s0
sudo nmcli connection up enp1s0
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