SSH Keys
What is SSH?
SSH stands for Secure Shell. It is a software that allows to establish a user-connection to a remote UNIX/Linux machine over the network and remote-control it from your local work-station.
Let's say you have an HPC cluster with hundreds of machines somewhere in a remote data-center and you want to connect to those machines to issue commands and run jobs. Then you would use SSH.
Follow the steps to go deeper: