yum install epel-release -y

yum install ansible libselinux-python -y（服务端）

yum install libselinux-python -y（客户端）

cp /etc/ansible/hosts{,.ori}

ansible 主机 -m 模块 -a '命令'

ansible ceshi -m command -a 'hostname' [-k -u root]

ansible IP -m command -a 'hostname' [-k -u root]

ansible all -m command -a 'hostname' [-k -u root]