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administrator$ ansible -i '192.168.102.226,' -m ping all
[DEPRECATION WARNING]: ANSIBLE_HOSTS option, The variable is misleading as it can be a list of hosts and/or paths to inventory sources , use ANSIBLE_INVENTORY instead. This feature
will be removed in version 2.8. Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
The authenticity of host '192.168.102.226 (192.168.102.226)' can't be established.
ECDSA key fingerprint is SHA256:ouMDPkZklF4Zb8yT/T952DR+n/YQ04TwNJk/sME8X40.
Are you sure you want to continue connecting (yes/no)? yes
192.168.102.226 | UNREACHABLE! => {
    "changed": false,
    "msg": "Failed to connect to the host via ssh: Warning: Permanently added '192.168.102.226' (ECDSA) to the list of known hosts.\r\nPermission denied (publickey,password,keyboard-interactive).\r\n",
    "unreachable": true
}
Benchmarc-Server:ansible administrator$ ansible -i '192.168.102.226,' -m ping all -k
[DEPRECATION WARNING]: ANSIBLE_HOSTS option, The variable is misleading as it can be a list of hosts and/or paths to inventory sources , use ANSIBLE_INVENTORY instead. This feature
will be removed in version 2.8. Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
SSH password:
192.168.102.226 | UNREACHABLE! => {
    "changed": false,
    "msg": "Authentication failed.",
    "unreachable": true