# info
# CentOS 7.3 64位

  • 生成认证key

    ssh-keygen
    Generating public/private rsa key pair.
# 指定保存加密字符的文件（使用默认）
Enter file in which to save the key 
Created directory '/home/USERNAME/.ssh'.
# 设定密码（使用默认空密码）
Enter passphrase (empty for no passphrase):
# 确认密码
Enter same passphrase again:
Your identification has been saved in /home/USERNAME/.ssh/id_rsa.
Your public key has been saved in /home/USERNAME/.ssh/id_rsa.pub.
The key fingerprint is:
※※※
    /home/USERNAME/.ssh/id_rsa私钥（钥匙）
    /home/USERNAME/.ssh/id_rsa.pub公钥（锁）

  • 加密服务器

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    ssh-copy-id -i /home/USERNAME/.ssh/id_rsa.pub USERNAME@---.---.---.---
    Now try logging into the machine, with:   "ssh 'USERNAME@---.---.---.---'"
and check to make sure that only the key(s) you wanted were added.
    authorized_keys存在于/home/USERNAME/.ssh/代表加密完成

  • 分发密钥

    scp USERNAME@---.---.---.---:/home/USERNAME/.ssh/id_rsa ~/.ssh/
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