vi /etc/network/interfaces
修改 dhcp 参数为 static,并设置ip地址和网关等信息：# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
allow-hotplug ens33
iface ens33 inet static
address 192.168.3.58
network 255.255.255.0
gateway 192.168.3.1
dns-nameservers 114.114.114.114
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