两台linux机器之间互连

两台linux机器之间互连

连接的命令及查看  w   

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说明两个终端在连接      192.168.133.1  是windows     129是Alex2在连接 

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正确的写法   

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查看当前登录的  whoami 

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[root@alex-01 ~]# ssh [email protected]   完整的写法   

[root@alex-01 ~]# ssh -p 22 [email protected]         指定端口的写法   

设置秘钥

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[root@alex-2 ~]# ssh-keygen                                                命令   

Generating public/private rsa key pair.                                      回车

Enter file in which to save the key (/root/.ssh/id_rsa):               秘钥对放在那里  

Enter passphrase (empty for no passphrase):                            输入它的密码      密码设置空 

Enter same passphrase again:                                                      在回车  

Your identification has been saved in /root/.ssh/id_rsa.   私钥

Your public key has been saved in /root/.ssh/id_rsa.pub.  公钥     

The key fingerprint is:

68:0d:16:73:5a:56:3d:80:4d:ab:17:3c:68:a6:0f:27 root@alex-2

The key's randomart image is:

+--[ RSA 2048]----+

|      o +=+o     |

|       B.o..o    |

|      + + =  .   |

|     . B . o     |

|      E S .      |

|     . = .       |

|        .        |

|                 |

+-----------------+

[root@alex-2 ~]# ls /root/.ssh/         查看公钥和私钥 

authorized_keys  id_rsa  id_rsa.pub  known_hosts

查看2的公钥  

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[root@alex-01 ~]# vi /root/.ssh/authorized_keys 

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添加进去   

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重启机器 了  看下selinux  有没启动 需要用getenforce     显示enforcing  证明selinux开启了 打开的   

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临时关闭   setenforce 0

[root@alex-01 ~]# getenforce   在看状态   

Permissive

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成功免秘钥    

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本文转自 amenging 51CTO博客，原文链接:http://blog.51cto.com/11335852/1974776