密钥登录远程服务器

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1. RSA私钥及公钥生成
   1. ssh-keygen -b 2048 -t rsa

   2. Enter file in which to save the key：

   3. Enter passphrase (empty for no passphrase):

   4. Enter same passphrase again:

2. 上传公钥到服务器端
   1. scp  {local_id_rsa.pub_path}   {remote_host_ip}:{destination_path}
3. 服务器端配置
   1. cat {destination_path} >> ~/.ssh/authorized_keys

   2. chmod 700 ~/.ssh

   3. chmod 700 ~/.ssh/authorized_keys

   4. vim /etc/ssh/sshd_config
      删除RSAAuthentication和PubkeyAuthentication前的‘#‘号

      RSAAuthentication yes
      

      PubkeyAuthentication yes

       

   5. 重启ssh
      /etc/init.d/sshd restart

密钥登录远程服务器

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原文地址：http://www.cnblogs.com/03-tornado/p/4968616.html