Number of key(s) added: 1
Now try logging into the machine, with: “ssh ‘192.168.196.72’”
and check to make sure that only the key(s) you wanted were added.
[root@hadoop01 ~]# ssh-copy-id 192.168.196.73
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: “/root/.ssh/id_rsa.pub”
The authenticity of host ‘192.168.196.73 (192.168.196.73)’ can’t be established.
ECDSA key fingerprint is SHA256:sd4vCsEraYT7vqvsW4egMtl9ctOCt9SkHQQWe0jK6BM.
ECDSA key fingerprint is MD5:04:f4:c4:4b:8a:ae:a5:cf