Ubuntu Server 16.04 配置静态ip及动态ip

Ubuntu Server 16.04 配置静态ip及动态ip

首先把需要用的指令列出

查看当前网路配置

ifconfig

查看设备拥有的网卡

ip addr # ip link

查看当前连接商在网卡情况

ip route show default via 192.168.1.1 dev eth0 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.110 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.200

重启网络命令

systemctl restart networking # or # service networking restart

要用到关键配置文件列出

网卡配置地址 /etc/network/interfaces

内容大概是这样的

# 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 auto eth0 #iface eno1 inet dhcp iface eth0 inet static address 192.168.1.119 netmask 255.255.255.0 getway 192.168.1.1 dns-nameserver 1.1.1.1 dns-nameserver 114.114.114.114 dns-nameserver 8.8.8.8

DNS配置地址 /etc/resolv.conf 内容大概如下

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 0.0.0.0 nameserver 8.8.8.8

/etc/resolv.conf修改在内容将会立即生效，但是一旦重启电脑或网络又会被重置。

通过修改/etc/resolvconf/resolv.conf.d/base配置文件，再重启networking可永久生效

配置静态或动态IP

首先需要先查看网卡的名称

ip router show

进入网络配置文件进行修改配置

sudo vi /etc/network/interfaces

配置文件如下

auto eth0 iface eth0 inet dhcp # 动态配置 auto eth1 iface eth1 inet static # 配置静态 address 192.168.1.100 # ip地址 netmask 255.255.255.0 # 网络掩码 gateway 192.168.1.1 # 网关 dns-nameserver 114.114.114.114 # dns服务器,可以设置多个

重启网络

sudo service networking restart

查看当前ip

ifconfig