| 《如何在主机之间建立SSH信任关系?》要点:本文介绍了如何在主机之间建立SSH信任关系?,希望对您有用。如果有疑问,可以联系我们。
 
 服务器之间建立信任关系,对于监控服务器管理很必要.这里介绍ssh的无密码登陆. 本机ip:192.168.1.6 [root@codfei ~]# ssh-keygen -t rsaGenerating public/private rsa key pair.
 Enter file in which to save the key (/root/.ssh/id_rsa):
 /root/.ssh/id_rsa already exists.
 Overwrite (y/n)? y (因为我是第2次建立关系所以此处覆盖原来的文件)
 Enter passphrase (empty for no passphrase):(直接回车无须输入密钥)
 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:
 04:37:13:2a:4b:10:af:c1:2b:03:3f:6b:27:ce:b9:62 root@codfei
 [root@codfei ~]# cd .ssh/[root@codfei .ssh]# ll
 -rw——- 1 root root 883 Apr 25 17:51 id_rsa
 -rw-r–r– 1 root root 221 Apr 25 17:51 id_rsa.pub
 -rw-r–r– 1 root root 442 Apr 25 17:37 known_hosts
 id_rsa是密钥文件,id_rsa.pub是公钥文件.
 [root@codfei .ssh]# scp id_rsa.pub192.168.1.4:/root/.ssh/192.168.1.6root@192.168.1.4’s password:
 id_rsa.pub 100% 221 0.2KB/s 00:00
 这里把公钥文件取名为本机的ip地址就是为了以后和更多的机器建立信任关系不发生混淆.
 现在登陆到192.168.1.4机器 [root@codfei ~]# cd .ssh/[root@codfei .ssh]# cat 192.168.1.6 >> authorized_keys
 然后回到192.168.1.6机器直接
 [root@codfei .ssh]# ssh 192.168.1.4Last login: Wed Aug 8 12:14:42 2007 from 192.168.1.6
 这样就可以了,里面偶尔涉及到权限问题.一般./ssh文件夹是755 authorized_keys为600或者644
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