Trusted hosts: Authenticate without passwords among Linux enviornements

Source Machine: MACHINE A Target Machine: MACHINE B Following executed at MACHINE A (Source Machine)         Login to the server: su – john 2.       Create the public key: ssh–keygen  –t  rsa 3.       Press “Enter” (without providing any input) for all 03 questions. 4.       Edit the file that is been generated (default location: /home/john/.ssh/id_rsa.pub) and copy the contents that is been generated for that particular machine. Following executed at MACHINE B (Source Machine) 5.       Switch user su  - john 6.       Create a file manually as “authorized_keys2” 7.       Paste the entry at the target machine which was copied from Machine A (at location: /home/john/. ssh/authorized_keys2”