ssh-keygen

SafeGenerate SSH keys

ssh-keygen -t ed25519

Creates a key pair (ed25519 recommended). Install the .pub into the remote authorized_keys.

Examples

ssh-keygen -t ed25519 -C '[email protected]'Create an ed25519 key
ssh-copy-id user@hostInstall key on remote

Syntax

ssh-keygen [-t type] [-f file] [-C comment]

Before you run it

Guard the private key; avoid overwriting.

Used when you see

SSH key auth fails

Verify the key pair via fingerprints

See the whole flow →

Related commands

sshRemote shell
scpCopy over SSH
git cloneClone a repo

The same reference, with no signal at all

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