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ubuntu20.04配置静态IP

配置文件内容:

network:
    ethernets:
        enp0s3:
            dhcp4: false
            addresses: [10.16.0.194/16]
            optional: true
            gateway4: 10.16.255.254

version: 2

改好后使用命令

sudo netplan apply

配置文件位置

/etc/netplan/XXXX.yaml

DHCP 默认

配置文件内容如下

 
network:
    ethernets:
        ens33:
            dhcp4: yes
            addresses: []
 
    version: 2

假设IP地址修改为192.168.1.100,子网掩码24位即255.255.255.0,网关设置为192.168.1.1,DNS1:223.5.5.5,DNS2:223.6.6.6

静态配置文件内容如下

network:
    ethernets:
        ens33:
            dhcp4: no
            addresses: [192.168.1.100/24]
            optional: true
            gateway4: 192.168.1.1
            nameservers:
                    addresses: [223.5.5.5,223.6.6.6]
 
    version: 2

应用新配置:sudo netplan apply

检查新地址: ip addr

测试网络连通性 ping 192.168.1.100 / ping www.google.com

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