Account
Run this on the server end server to add ansible user with outpassword, ssh key only.
sudo adduser --disabled-password --gecos "" ansible
sudo usermod -aG sudo ansible
sudo mkdir -p /home/ansible/.ssh
sudo chown ansible:ansible /home/ansible/.ssh
sudo chmod 700 /home/ansible/.ssh
echo '<ssh-key>
' | sudo tee /home/ansible/.ssh/authorized_keys