# nmcli dev wifi list
* SSID MODE CHAN RATE SIGNAL BARS SECURITY
什么系统？ 什么形式的查看（玩虚拟机？还是直接手提？还是？）
# nmcli device
DEVICE TYPE STATE CONNECTION
eth0 ethernet connecting (getting IP configuration) Wired connection 1
usb0 ethernet connecting (getting IP configuration) Wired connection 2
wlan10 wifi unavailable --
gre0 gre unmanaged --
lo loopback unmanaged --
ip6tnl0 unknown unmanaged --
sit0 unknown unmanaged --
tunl0 unknown unmanaged --
这个是ubuntu系统，是嵌入式设备。