sshで初めてアクセスしたとき

すでに ./.ssh/config あたり一式は設定済みとして

[local@localhost ~]$ ssh pi@192.168.xxx.xxx

The authenticity of host '192.168.xxx.xxx (192.168.xxx.xxx)' can't be established.
ECDSA key fingerprint is SHA256:XXXXXXXXXXXXXXXXXXXXXXXXX
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes <手入力>
Warning: Permanently added '192.168.xxx.xxx' (ECDSA) to the list of known hosts.
pi@192.168.xxx.xxx's password: <PWを入力>
Linux rpi x.xx.xx-xx+ #xxxx SMP Thu Aug xx xx:xx:xx BST 2020 armv7l

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Sun Zzz zz zz:zz:zz 2019 from 192.168.zzz.zzz

[pi@rpi:~] $ 

次回からはPW入力のみ