Network

The ssh-copy-id command

Copies your public key to the remote server so you can log in over SSH without a password.

Syntax

ssh-copy-id usuario@host

Most useful options

-i ARCHIVOUses a specific public key

Copy-ready examples

$ ssh-keygen -t ed25519 && ssh-copy-id invitado@servidor-aulaCreate a key and copy it

You can try them in the browser terminal: it does not touch your computer.

Typical mistakes

  • It only works if you already have password access to the server the first time.

Related commands

ssh-keygensshscp

FAQ

What happens on the server?

Your public key is added to that user's ~/.ssh/authorized_keys.

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