ssh免密码登陆服务器-白红宇

ssh免密码登陆服务器

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发布时间：2019-02-28

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这个是在cygwin中操作的，其实都是通用的。

执行ssh-keygen命令，生成公钥：

$ ssh-keygen.exe -t rsa

Generating public/private rsa key pair.

Enter file in which to save the key (/home/shizh1/.ssh/id_rsa):

Created directory '/home/shizh1/.ssh'.

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /home/shizh1/.ssh/id_rsa.

Your public key has been saved in /home/shizh1/.ssh/id_rsa.pub.

The key fingerprint is:

a4:37:66:a7:7e:75:60:ca:8e:e9:49:3c:74:c2:e7:41 shizh1@SHIZH1-PC0011NN

The key's randomart image is:

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

| |

| . E |

| + . o |

| . S.=o . |

| * Oo.. . |

| =+.. . |

| oooo |

| .+. |

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

把公钥复制到服务器上：

$ ssh-copy-id shizh1@10.100.124.230

The authenticity of host '10.100.124.230 (10.100.124.230)' can't be established.

ECDSA key fingerprint is 22:64:04:a0:e6:0b:f6:0c:dd:80:3a:8c:2c:35:b8:50.

Are you sure you want to continue connecting (yes/no)? yes

/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed

/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys

shizh1@10.100.124.230's password:

Number of key(s) added: 1

Now try logging into the machine, with: "ssh 'shizh1@10.100.124.230'"

and check to make sure that only the key(s) you wanted were added.

登录到服务器上：

$ ssh shizh1@10.100.124.230

Welcome to Ubuntu 12.04.5 LTS (GNU/Linux 3.17.1 x86_64)

* Documentation: https://help.ubuntu.com/

You have packages from the Hardware Enablement Stack (HWE) installed that

are going out of support on 2014-08-07.

There is a graphics stack installed on this system. An upgrade to a

supported (or longer supported) configuration will become available

on 2014-07-16 and can be invoked by running 'update-manager' in the

Dash.

*** System restart required ***

Last login: Sun Jan 4 12:33:44 2015 from 10.110.54.143

OK了！

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