ubuntu 16.04 网卡配置要点 和查看有几块网卡的命令

查看系统有几块网卡

lspci |grep -i Eth

或者用

ip link

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重启网络命令，使用最新的systemctl

systemctl restart networking

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编辑网卡配置文件

 vi /etc/network/interfaces

# 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
auto enp0s3
iface enp0s3 inet dhcp

auto enp0s8
iface enp0s8 inet static
address 1.1.1.2
mask 255.255.255.0