If you're not using SSH certificates you’re doing SSH wrong https://smallstep.com/blog/use-ssh-certificates/ #ssh

If you’re not using SSH certificates you’re doing SSH wrong
SSH has some pretty gnarly issues when it comes to usability, operability, and security. The good news is this is all easy to fix. SSH is ubiquitous. It’s the de-facto solution for remote administration of *nix systems. SSH certificate authentication makes SSH easier to use, easier to operate, and more secure.