SSH Key

Generate key

ssh-keygen

ssh-keygen -t rsa -f ~/.ssh/id_rsa

ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519

Copy SSH key to remote host

ssh-copy-id -i ~/.ssh/id_rsa.pub user@host

Generate fingerprint from public key

ssh-keygen -lf ~/.ssh/id_rsa.pub -E sha256 | awk '{print $2}'