Ubuntu16.04网络不能访问解决办法

 

问题:

系统重启后,网络不能正常使用,加载网络配置失败,且重启网络时也提示错误。

解决方法:

在定位的过程中发现是配置中的网络设备号与实际设备号不符。

1、查看网络配置中的配备号:

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 enx000ec6d35ea9

iface enx000ec6d35ea9 inet dhcp

2、在查看实际的设备号:

cat /proc/net/dev

Inter-|   Receive                                                |  Transmit

 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed

wlp3s0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

enx000ec6d35ea9: 2009002   11002    0    0    0     0          0         0 28508118   20031    0    0    0     0       0          0

    lo: 70781548   42425    0    0    0     0          0         0 70781548   42425    0    0    0     0       0          0

enp0s31f6:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

3、进行比对

将配置中的设备号与实际设备号对比,如果没有则在配置中加入设备号记录。

比如举例中我的网卡设备号为“enx000ec6d35ea9”,无线网卡的设备号为“wlp3s0”。

4、配置无线网卡

vi /etc/network/interfaces

#自动获取IP方式:

auto wlan0

iface wlan0 inet dhcp

wpa-ssid xxxxxx

wpa-psk yyyyyy

#配置静态IP方式

auto wlan0

iface wlan0 inet static

address 192.168.0.150

netmask 255.255.255.0

gateway 192.168.0.1

dns-nameservers 192.168.0.1 xxx.xxx.xxx.xxx

wpa-ssid xxxxxx

wpa-psk yyyyyyy

 

 

 

 

原文地址:https://www.cnblogs.com/gongxr/p/10452083.html