Wireless Modes

If we run the command iwconfig in Terminal, we will see our connected devices.

lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry short  long limit:2   RTS thr:off   Fragment thr:off
          Power Management:off

The default mode of the wlan0 is Managed but we need to change it to monitor mode for network hacking.

Disable the interface wlan0
```
sudo ifconfig wlan0 down
```
Kill network-manager
```
sudo airmon-ng check kill
```

The output would be something like

Killing these processes:

    PID Name
   2143 wpa_supplicant

Change the mode to monitor
```
sudo iwconfig wlan0 mode Monitor
```
Enable the interface
```
sudo ifconfig wlan0 up
```