SSH

ssh key must exist, ex. ~/.ssh/id_rsa.pub. Use ssh-keygen to create a private and public key pair.

ssh-keygen -t rsa -b 4096 -C "comment"

Copy the SSH key to the target server

ssh-copy-id -i ~/.ssh/id_rsa.pub pi@192.168.1.11

Test the SSH connection

ssh -i ~/.ssh/id_rsa pi@192.168.1.11