1.更改动态IP为固定IP Ubuntu22.04
sudo vim /etc/netplan/01-netcfg.yaml
network:
    version: 2
    renderer: networkd
    ethernets:
      enp0s5:
            addresses:
                - 192.168.1.7/24
            nameservers:
                addresses: [8.8.8.8, 8.8.4.4]
            routes:
                - to: default
                  via: 192.168.1.1
sudo netplan try
sudo netplan apply