Netcat send data to a machine in network

netcat_messaging

1. Receiver 
   1.1 Print out receiver IP. We need this IP in step 2.
   ❯❯❯ ipconfig getifaddr en0
   
   1.2 Run this command in the receiving computer listen to the port 4444 and print out msg:
   ❯❯❯ nc -vl 4444
   
   If you want to save msg to a file:
   ❯❯❯ nc -vl 4444 > received_msg.txt


2. Sender
   You need receiver IP[from step 1.1] in order to send data 
    ❯❯❯ nc -w 192.168.1.127 4444 < ~/.aws/config