Oracle Nodlar arasında Şifre sormadan ssh ile Geçişi yapmak için;

[[email protected] ~]$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_rsa):
/home/oracle/.ssh/id_rsa already exists.
Overwrite (y/n)? y
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_rsa.
Your public key has been saved in /home/oracle/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:xV7KeK0+zuIkM6w4Z+cAtnhGxMDqt+cFcB3q9tnXfLI [email protected]
The key's randomart image is:
+---[RSA 2048]----+
|o      .         |
| +    o ..       |
|. o. o .  o .    |
|..  +    = +     |
|. +  +  S = .    |
| = +..o o. .o    |
|. = o =+.... + . |
| o.oo+o=.oo   +  |
|  .+++...o+. E   |
+----[SHA256]-----+
[[email protected] ~]$
[[email protected] ~]$


[[email protected] ~]$ ssh-copy-id [email protected]
/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/home/oracle/.ssh/id_rsa.pub"
/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
[email protected]'s password:

Number of key(s) added: 1

Now try logging into the machine, with:   "ssh '[email protected]'"
and check to make sure that only the key(s) you wanted were added.

[[email protected] ~]$ ssh rac3
Last login: Tue Oct 20 22:13:26 2020 from rac1.frkcvk.com
[[email protected] ~]$ exit
logout
Connection to rac3 closed.
[[email protected] ~]$