16版本配置
/etc/network/
vim interfaces
注释iface xxxxxx xxxx dhcp
复制iface 并改为ifcae xxxx xxx static

address 192.168.68.188
netmask 255.255.255.0
gateway 192.168.68.2

配置DNS

18版本配置静态IP
打开vim /etc/netplan/01-network-manager-all.yaml 配置文件，原文内容如下

Let NetworkManager manage all devices on this system

network:
  version: 2
  renderer: NetworkManager

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修改后的配置

Let NetworkManager manage all devices on this system

network:
  version: 2
  renderer: NetworkManager

  ethernets:
    ens33:   #配置的网卡名称
      dhcp4: no    #dhcp4关闭
      dhcp6: no    #dhcp6关闭
      addresses: [192.168.117.130/24]   #设置本机IP及掩码

执行以下命令使得配置生效，然后IP 地址就变成了静态，并且ping 互联网的地址就正常了

netplan apply

  gateway4: 192.168.117.2   #设置网关
  nameservers:
      addresses: [114.114.114.114, 8.8.8.8]   #设置DNS

复制代码

18静态ip网络配置

network:
    ethernets:
        ens33:
            addresses:
            - 192.168.1.64/24
            gateway4: 192.168.1.1
            nameservers:
                addresses:
                - 114.114.114.114
    version: 2

Q.E.D.