歡迎來到Linux教程網
Linux教程網
Linux教程網
Linux教程網
您现在的位置: Linux教程網 >> UnixLinux >  >> Linux基礎 >> Linux技術

linux上基於密鑰的認證

生成密鑰對兒:

[root@Ams ~]# ssh-keygen -t rsa

Generating public/private rsa key pair.

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

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

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

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

The key fingerprint is:

67:37:f3:cb:90:37:b7:83:19:27:e6:85:4e:e9:68:ec root@Ams

The key's randomart image is:

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

| |

| |

| |

| |

| S o + o |

| o . % o |

| . X @ .|

| + X =.|

| oE o..|

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

[root@Ams ~]# ls .ssh/

id_rsa id_rsa.pub known_hosts

[root@Ams ~]#

把公鑰傳輸至遠程服務器對應用戶的家目錄:

[root@Ams ~]# ssh-copy-id -i .ssh/id_rsa.pub [email protected]

[email protected]'s password:

Now try logging into the machine, with "ssh '[email protected]'", and check in:

.ssh/authorized_keys

to make sure we haven't added extra keys that you weren't expecting.

[root@Ams ~]#

現在可以直接登錄了:

[root@Ams ~]# ssh [email protected]

Last login: Sun Jul 31 22:56:04 2016 from 192.168.1.115

[root@bluee ~]#

執行命令也不需要輸入密碼了。將來集群就需要這樣認證:

[root@Ams ~]# ssh [email protected] 'ifconfig'

eth0 Link encap:Ethernet HWaddr 00:0C:29:C1:45:55

inet addr:192.168.1.117 Bcast:192.168.1.255 Mask:255.255.255.0

inet6 addr: fe80::20c:29ff:fec1:4555/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:80321 errors:0 dropped:0 overruns:0 frame:0

TX packets:62829 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:76646060 (73.0 MiB) TX bytes:6192366 (5.9 MiB)

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING MTU:65536 Metric:1

RX packets:980 errors:0 dropped:0 overruns:0 frame:0

TX packets:980 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:97916 (95.6 KiB) TX bytes:97916 (95.6 KiB)

[root@Ams ~]#

本文出自 “子非魚” 博客,請務必保留此出處http://ssippi.blog.51cto.com/11647200/1832691

Copyright © Linux教程網 All Rights Reserved