安装和配置好ansible，执行命令时报错如下

  1. [root@test01 ansible-install]# ansible test -m shell -a 'w'
  2. 10.xx.37.26 | FAILED | rc=- >>
  3. 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.
  4.  
  5. 10.xx.37.25 | FAILED | rc=- >>
  6. 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.
  7.  
  8. 10.xx.37.24 | FAILED | rc=- >>
  9. 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：

  1. vi /etc/ansible/ansible.cfg
  2. [defaults]
  3. forks          =            #执行时并发数
  4. host_key_checking = False    #不检测host key

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