波斯火车头
一、忽略hosts，只在一台机器上执行：/usr/local/bin/ansible-playbook /app/ansiblecfg/ztr/ent_extract.yml --limit=10.128.109.196
二、批量推送密钥
在ansible管理主机生成密钥id_rsa.pub，使用如下playbook推送密钥至受控主机节点
#push key to remote server
- hosts: nengqian user: ccssoft
tasks:
- name: ssh-copy authorized_key: user
=ccssoft key="{{ lookup('file', '/home/shdxspark/.ssh/id_rsa.pub') }}" tags:
- sshkey
user为远程主机账号，key为管理主机生成的公钥key
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