建立ssh等价

[root@rwsoda310c1n1 29301682]# ssh-keygen
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:
db:74:4c:8c:9b:4c:b2:dc:62:8d:67:8c:8d:06:98:80 root@rwsoda310c1n1
The key's randomart image is:
+--[ RSA 2048]----+
| .. |
|E . o o |
| o . . o o |
| o & = |
| S % o |
| o B . |
| . . |
| |
| |
+-----------------+

[root@rwsoda310c1n1 29301682]# ssh-copy-id -i /root/.ssh/id_rsa.pub rwsoda310c1n2
Now try logging into the machine, with "ssh 'rwsoda310c1n2'", and check in:

.ssh/authorized_keys

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

[root@rwsoda310c1n1 29301682]# ssh rwsoda310c1n2
Last login: Mon Mar 4 17:25:31 2019 from rwsoda310c1n1.us.oracle.com
[root@rwsoda310c1n2 ~]# ssh-keygen
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:ba:9d:c4:60:fe:f2:91:61:34:5d:f8:94:aa:ad:d5 root@rwsoda310c1n2
The key's randomart image is:
+--[ RSA 2048]----+
| ... |
| ...o |
| o .+ |
| . .. . |
| S =o . |
| o B.oo E |
| o =o |
| .=.o |
| .o= |
+-----------------+

[root@rwsoda310c1n2 ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub rwsoda310c1n1
Now try logging into the machine, with "ssh 'rwsoda310c1n1'", and check in:

.ssh/authorized_keys

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

[root@rwsoda310c1n2 ~]# ssh rwsoda310c1n1
Last login: Tue Mar 5 09:35:27 2019 from 10.182.70.222
[root@rwsoda310c1n1 ~]#