How to determine SSH Host key   Open Terminal Click Manage for my VPS Click  Terminal in upper right of Overview page cat /etc/ssh/ssh_host_ed25519_key.pub Copy the entire output string. This is your ED25519 public key. On your local machine, save this string to a file (e.g., ed25519.pub). ssh-keygen -lf ed25519. pub The value from Step 5 should match the ssh-ed25519 value displayed by putty