安装和配置好ansible，执行命令时报错如下

[root@test01 ansible-install]# ansible test -m shell -a 'w'

10.xx.37.26 | FAILED | rc=- >>

Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this.  Please add this host's fingerprint to your known_hosts file to manage this host.

10.xx.37.25 | FAILED | rc=- >>

Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this.  Please add this host's fingerprint to your known_hosts file to manage this host.

10.xx.37.24 | FAILED | rc=- >>

Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this.  Please add this host's fingerprint to your known_hosts file to manage this host.

解决方法：

vi /etc/ansible/ansible.cfg

[defaults]

forks          =            #执行时并发数

host_key_checking = False    #不检测host key

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