Ubuntu Server 24.04 设置IP地址

root@ubuntu:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 24.04 LTS
Release:        24.04
Codename:       noble

root@ubuntu:~# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=24.04
DISTRIB_CODENAME=noble
DISTRIB_DESCRIPTION="Ubuntu 24.04 LTS"

root@ubuntu:~# ip a
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 noprefixroute
       valid_lft forever preferred_lft forever
2: ens32: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:a0:8e:df brd ff:ff:ff:ff:ff:ff
    altname enp2s0
    inet 192.168.31.128/24 metric 100 brd 192.168.31.255 scope global dynamic ens32
       valid_lft 1298sec preferred_lft 1298sec
    inet6 fe80::20c:29ff:fea0:8edf/64 scope link
       valid_lft forever preferred_lft forever

network:
  version: 2
  renderer: networkd
  ethernets:
    ens32:
      dhcp4: true

network:
  version: 2
  renderer: networkd
  ethernets:
    ens32:
      addresses: [192.168.31.128/24]
      routes:
        - to: default
          via: 192.168.31.2
      nameservers: 
        addresses: [114.114.114.114, 8.8.8.8]

netplan apply