SSH Key-Based Authentication

Purpose

Implement secure SSH key-based authentication for remote server access. This skill covers generating cryptographic key pairs, deploying public keys to servers, configuring SSH clients for multiple servers, and applying security best practices. Essential for DevOps automation, secure system administration, and eliminating password-based authentication vulnerabilities.

Prerequisites

• Access to client and server systems with SSH installed
• User account on remote server with home directory access
• Terminal or command-line interface familiarity
• Understanding of file permissions concepts
• Root or sudo access for server-side configuration (optional)

Outputs and Deliverables