[root@s18 .ssh]# ls
[root@s18 .ssh]# ssh email@example.com cat .ssh/id_rsa.pub >> authorized_keys
The authenticity of host '192.168.0.103 (192.168.0.103)' can't be established.
RSA key fingerprint is b4:9f:20:47:a1:c3:d6:10:30:98:f3:f7:12:cf:dd:5f.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.0.103' (RSA) to the list of known hosts.