How to Set Up SSH Keys on CentOS 7

Secure Shell (SSH) is a cryptographic network protocol designed for secure connection between a client and a server.

The two most popular SSH authentication mechanisms are passwords based authentication and public key based authentication. Using SSH keys is generally more secure and convenient than traditional password authentication.

This tutorial explains how to generate SSH keys on CentOS 7 systems. We will also show you how to setup an SSH key-based authentication and connect to your remote Linux servers without entering a password.