百度
编辑/etc/netplan/01-netcfg.yaml 系统没有就自己编写
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
addresses: [192.168.20.8/24] # 设置你的IP地址和子网掩码
gateway4: 192.168.20.1 # 网关地址
nameservers:
addresses: [8.8.8.8, 8.8.4.4] # DNS服务器地址
注意这里的缩进用空格不能用tab
sudo netplan apply



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