ubuntu修改ip地址

$ sudo  vi /etc/network/interfaces


auto ens123
iface ens123 inet static
        address 10.10.133.233
        netmask 255.255.255.0
        network 10.10.133.0
        broadcast 10.10.133.255
        gateway 10.10.133.254
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 8.8.8.8

$ sudo vi + /etc/resolvconf/resolv.conf.d/head
# 在文件最后添加一句话
nameserver 8.8.8.8

$ sudo /etc/init.d/networking restart

$ vi /etc/netplan/50-cloud-init.yaml
# 修改以下内容
network:
    ethernets:
        eth0:
            addresses:
            - 192.168.15.72/20
            gateway4: 192.168.12.2
            nameservers:
                addresses:
                - 223.5.5.5
                search: []
            optional: true
    version: 2

$ netplan apply