SSH Key Authentication Ubuntu 20.04

Learn how to implement SSH key authentication on Ubuntu 20.04 in this comprehensive tutorial video. Generate SSH key pairs using the modern ed25519 algorithm, distribute and authorize public keys on servers, disable password authentication for enhanced security, and efficiently manage multiple keys using SSH config files. Follow step-by-step instructions to create, authorize, and configure SSH keys, improving your server login security and simplifying access to multiple systems.

Intro
Overview
Create Keys
Authorize Public Key
Disable Password Authentication
Multiple Keys and Config File