Generate SSH key pairs in your browser. Nothing leaves your device.
ssh-keygen -t ed25519 on your terminal. This tool generates RSA keys for quick use and learning.SSH keys replace password login with cryptographic key pairs. The private key stays on your computer. The public key goes on servers you want to access.
Ed25519 keys are faster and more secure but browsers cannot generate them. Use your terminal:
Guide: SSH Keys Setup | SSH Cheat Sheet | Enable SSH