pi@serverpi:~ $ ls -l ~/.ssh
total 16
-rw------- 1 pi pi 1136 Nov 17 16:50 authorized_keys
-rw------- 1 pi pi 3243 Nov 16 19:27 id_rsa
-rw-r--r-- 1 pi pi  746 Nov 16 19:27 id_rsa.pub
-rw-r--r-- 1 pi pi 2212 Jan  5 15:51 known_hosts