针对Ubuntu 20.04/22.04无法连接网络问题的解决方法

对于Ubuntu 20.04：

sudo service network-manager stop

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

sudo service network-manager start

对于Ubuntu 22.04：

sudo service NetworkManager stop 
 
sudo rm /var/lib/NetworkManager/NetworkManager.state 
 
sudo service NetworkManager start