1、机器信息:
node01:192.168.1.102
node01:192.168.1.104
2、实现效果:
node01 --> node02 免密; node02 --> node01 不免密
3、node01端:
node01 把自己公钥内容(id_rsa.pub) 增加到 node02 的认证文件(authorized_keys) 中。
node01: (公钥可以没有,私钥一定要有)
# ssh-keygen # ls ~/.ssh/ authorized_keys id_rsa id_rsa.pub known_hosts # scp ~/.ssh/id_rsa.pub root@192.168.1.104:~/.ssh/
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node02端配置完毕后,才可以免密登录。
# ssh root@192.168.1.104
4、node02端:
node02:(authorized_keys 默认是没有的)
# cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys # ls ~/.ssh/ authorized_keys known_hosts
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