小编gua*_* lu的帖子

当我使用 NetworkManager 命令工具扫描无线网络时，输出为空。

root@radxa:~# nmcli dev wifi list
SSID    BSSID   MODE    FREQ    RATE    SIGNAL  SECURITY    ACTIVE
root@radxa:~#

但如果使用iwlist，扫描就可以了：

root@radxa:~# iwlist wlan0 scan
          Cell 01 - Address: 78:A1:06:7F:CF:C9
                    ESSID:"olivia"
                    Protocol:IEEE 802.11bgn
                    Mode:Master
                    Frequency:2.462 GHz (Channel 11)
                    Encryption key:on
                    Bit Rates:300 Mb/s
                    IE: WPA Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK 
                    Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK …