Ubuntu显示Networking Disabled的解决办法

今天早上突然发现Ubuntu无法通过USB tethering 上网了,原来是状态栏上的Network Manager总是显示Network Disabled。网上搜了下,解决方式很简单:

1. 停用网络服务

sudo service network-manager stop

2.清理网络状态文件

sudo rm /var/lib/NetworkManager/NetworkManager.state

3.重启网络服务

sudo service network-manager start

4.需要的话重启mn-applet

killall nm-applet
nm-applet&

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