

Modern processing power combined with automated scripts make brute forcing a password-protected account very possible. The most basic of these is password authentication, which is easy to use, but not the most secure.Īlthough passwords are sent to the server in a secure manner, they are generally not complex or long enough to be resistant to repeated, persistent attackers. The ssh tutorial has a good explanation of how key-based authentication works in comparison to password authentication:Īn SSH server can authenticate clients using a variety of different methods. This brief Introduction to SSH explains some of the concepts and terminology about the software that we use to accomplish easy,

That’s why people often say or write “open a shell” or “go to shell” when they mean open or switch to your Terminal program. Ssh is also the command that makes terminal/command-line connections between computers.Īnd the sh is in tribute to the original Unix command-line interface called “shell”. The software technology we use to do that is called ssh (sometime lowercase, sometimes uppercase). Terminal (command-line) access from your laptop to the EOAS Ocean Linux computers,Īnd the Compute Canada graham High Performance Computing (HPC) cluster.

This section is the about setting up secure,
