Ubuntu右上角不显示网络的图标解决办法

（1）检查是否一致

sudo vim /etc/network/interfaces

（2）line5改为true

sudo vim /etc/NetworkManager/NetworkManager.conf

（3）sudo vim /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf

（4）重启ubuntu：reboot

（5）sudo service network-manager stop

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

sudo service network-manager start