Execute o comando iwconfig
Descubra qual é o nome da sua conexão sem fio e execute
sudo iwconfig wlp3s0 desligar
Exemplo:
ee@sys6:~$ iwconfig
wlp3s0 IEEE 802.11abgn ESSID:"5ghz"
Mode:Managed Frequency:5.805 GHz Access Point: E0:3F:49:93:3F:14
Bit Rate=390 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=57/70 Signal level=-53 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:74 Missed beacon:0
lo no wireless extensions.
enp4s0f2 no wireless extensions.
ee@sys6:~$ sudo iwconfig wlp3s0 power off
ee@sys6:~$ iwconfig
wlp3s0 IEEE 802.11abgn ESSID:"5ghz"
Mode:Managed Frequency:5.805 GHz Access Point: E0:3F:49:93:3F:14
Bit Rate=390 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=57/70 Signal level=-53 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:74 Missed beacon:0
lo no wireless extensions.
enp4s0f2 no wireless extensions.