Ejemplos de ssh-keygen para crear claves SSH Ed25519 o RSA, elegir nombre de archivo, añadir frase de contraseña, ver la huella y probar GitHub o un servidor.
ssh-keygen is the OpenSSH command-line utility for creating and managing SSH key pairs.
The recommended modern command is ssh-keygen -t ed25519 -C "you@example.com".
Use ssh-keygen -t rsa -b 4096 only for older systems that do not support Ed25519.