Ansible SSH passwd authentication successful, but publickey authentication fails

Question

When using ansible, I authenticate using the following parameters:

-u bob -k -K -b

I get the output I want, but it turns out that Ansible fails publickey authentication on each system.

Selected output from /var/log/secure on one of the recipient systems:

Failed publickey for bob from $IP port $PORT ssh2

Accepted password for bob from $IP port $PORT ssh2

I'm making my through the documentation, but I have yet to find a method to prevent Ansible from attempting to use anything other than just passwd authentication.

Any help is appreciated.

Also that, SSH works fine when doing a SSH connection outside of using Ansible. — Mike, Dec 04 '17 at 20:05

score 1 · Accepted Answer · answered Dec 05 '17 at 06:22

Add SSH client option -o PreferredAuthentications=password where applicable (Ansible inventory, extra-variables, ssh-config, etc.).

For example, for hosts file:

[myhosts]
host1 ansible_host=X.X.X.X ansible_ssh_extra_args="-o PreferredAuthentications=password"

Ansible SSH passwd authentication successful, but publickey authentication fails

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