Ubuntu22.04网卡配置静态IP地址

ip addr #查看所有网卡详细信息

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host

       valid_lft forever preferred_lft forever

2: ens160: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000

    link/ether 00:0c:29:3b:15:79 brd ff:ff:ff:ff:ff:ff

    altname enp3s0

    inet 192.168.1.100/24 metric 100 brd 192.168.1.255 scope global dynamic ens160

       valid_lft 46974sec preferred_lft 46974sec

    inet6 fe80::20c:29ff:fe3b:1579/64 scope link

       valid_lft forever preferred_lft forever

#进入网卡配置文件，50-cloud-init.yaml根据实际情况修改
sudo nano /etc/netplan/50-cloud-init.yaml 

#以下所有内容均要配置，配置时注意格式否则会报错

network:

  version: 2

  renderer: networkd

  ethernets:

    ens160:

      dhcp4: no

      addresses: [192.168.1.100/24]

      routes:

        - to: 0.0.0.0/0

          via: 192.168.1.254

      nameservers:

        addresses: [8.8.8.8, 8.8.4.4]

sudo netplan apply  #应用最新网卡配置文件

systemctl restart network #务必执行此命令，否则配置不生效