CentOS7的SSH免秘钥认证
应用场景:作为运维,经常会遇到批量管理Linux服务器,为了免去输入远程服务器的账号密码苦恼,可使用SSH的免秘钥登录
解决方案:
(1)生成密钥对
ssh-keygen -t dsa -f ~/.ssh/id_rsa -P ""
(2)修改/etc/ansible/ansible.cfg配置文件
http://s1.运维网.com/images/20180613/1528880993731776.png
(3)添加/etc/ansible/hosts主机
http://s1.运维网.com/images/20180613/1528881073631980.png
(4)批量分发秘钥
ansible node -m authorized_key -a"user=root key='{{ lookup('file','/root/.ssh/id_rsa.pub') }}'" -k
http://s1.运维网.com/images/20180613/1528881107322737.png
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