I use ubuntu but I have kali on a thumb drive. Kudos to you on running kali as your main os. I am not an expert but I believe that the commands on the basic os are very similar. Once you open metasploit all bets are off. I understand a very little about metasploit. Like you, I'm not interested in hacking. It is wise to know some so it would make it harder for someone to hack your system. Thanks for the link to 'tails', I do some reading.