ubuntu: 18.04 网络图标不见的问题解决方案

转载：https://blog.csdn.net/lj695242104/article/details/80922108

sudo service network-manager stop
sudo rm /var/lib/NetworkManager/NetworkManager.state
sudo service network-manager start

sudo gedit /etc/NetworkManager/NetworkManager.conf
把false改成true

sudo service network-manager restart