cbb@cbb-Inspiron-5448:~$ sudo su [sudo] cbb 的密码： root@cbb-Inspiron-5448:/home/cbb# iwconfig wlp3s0 IEEE 802.11abgn ESSID:”scut-student” Mode:Managed Frequency:5.785 GHz Access Point: 60:0B:03:FE:3D:C0 Bit Rate=6 Mb/s Tx-Power=22 dBm Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=44/70 Signal level=-66 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0

enp2s0 no wireless extensions.

lo no wireless extensions.

root@cbb-Inspiron-5448:/home/cbb# iwconfig wlp3s0 txpower off root@cbb-Inspiron-5448:/home/cbb# iwconfig wlp3s0 IEEE 802.11abgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=off Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off

enp2s0 no wireless extensions.

lo no wireless extension

总之禁用掉所有 no wireless extension上面的东西