Log into server with SSH keys

Generate SSH keys

ssh-keygen -t rsa -b 4096

Your keys will be created at ~/.ssh/id_rsa.pub and ~/.ssh/id_rsa

Transfer Your Public Key to the Server

ssh-copy-id user@remote_server

If ssh-copy-id is unavailable, please

cat ~/.ssh/id_rsa.pub | ssh user@remote_server "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"