Ubuntu 下网络链接图标消失处理方法

sudo service network-manager stop

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

sudo service network-manager start

sudo gedit /var/lib/NetworkManger/nm-system-settings.conf

把里面的false改成true

就是下面内容：

[main]

plugins=ifupdown,keyfile

[ifupdown]

managed=false

改成：

[main]

plugins=ifupdown,keyfile

[ifupdown]

managed=true