ubuntu 18.04桌面版网络配置打不开

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sudo apt-get install --reinstall --purge gnome-control-center

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superuser@SuperTower:~$ cat /etc/NetworkManager/NetworkManager.conf 
[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=true

[device]
wifi.scan-rand-mac-address=no


superuser@SuperTower:~$ cat /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf
[keyfile]
unmanaged-devices=*,except:type:wifi,except:type:wwan


superuser@SuperTower:~$ cat /etc/NetworkManager/conf.d/10-globally-managed-devices.conf
[keyfile]
unmanaged-devices=none