Find your interface name
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| chili@T440p:~$ iwconfig enp0s25 no wireless extensions.
lo no wireless extensions.
wlp3s0 IEEE 802.11bgn ESSID:"GBR1" Mode:Managed Frequency:2.462 GHz Access Point: XX:2B:B0:DC:45:XX Bit Rate=72.2 Mb/s Tx-Power=22 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=55/70 Signal level=-55 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:109 Missed beacon:0
|
It will be wlxxx
something rather than wlan0 any more as it is 16.04 anyway.
Edit interface file
1
| sudo vim /etc/network/interfaces
|
auto wlan0
iface wlan0 inet dhcp
wpa-ssid your_access_point
wpa-psk your_wpa_key
restart interface