The ssh-copy-id command is used to install your public SSH key on a remote server's authorized keys list. This allows you to log in to the remote server via SSH without being prompted for a password. It simplifies the process of setting up passwordless SSH authentication by automatically copying your public key to the remote server's ~/.ssh/authorized_keys file.
Here's a basic usage example:
ssh-copy-id user@remote_host
Replace user with your username on the remote server and remote_host with the server's address. After running this command, you should be able to SSH into the remote server without entering a password.
