ansible安装及介绍

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[root@vm ansible]# 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:
　　
ae:b1:ef:46:d8:e4:3f:38:38:8d:8b:e7:e3:a2:4c:c2 root@vm.lansgg.com
　　
The key's randomart image is:
　　
+--[ RSA 2048]----+
　　
|                 |
　　
|                 |
　　
|                 |
　　
|        .        |
　　
|       =S        |
　　
|.     ..+        |
　　
|.E.   .=.o       |
　　
| +  ..*+= o      |
　　
|  o..=*Bo. .     |
　　
+-----------------+
　　
[root@vm ansible]# ssh-copy-id -i 172.16.162.130
　　
The authenticity of host '172.16.162.130 (172.16.162.130)' can't be established.
　　
RSA key fingerprint is 1e:76:f9:17:93:20:f1:be:06:48:02:3b:7c:80:41:07.
　　
Are you sure you want to continue connecting (yes/no)? yes
　　
Warning: Permanently added '172.16.162.130' (RSA) to the list of known hosts.
　　
Address 172.16.162.130 maps to localhost, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
　　
root@172.16.162.130's password:
　　
Now try logging into the machine, with "ssh '172.16.162.130'", and check in:
　　
  .ssh/authorized_keys
　　
to make sure we haven't added extra keys that you weren't expecting.