How to generate SSH Keygen

How to generate SSH Keygen

cybertech@cybertech01> ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/user/cybertech/.ssh/id_rsa):
Created directory '/user/cybertech/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /user/cybertech/.ssh/id_rsa.
Your public key has been saved in /user/cybertech/.ssh/id_rsa.pub.
The key fingerprint is:
c3:0d:9b:7b:ce:87:e2:a0:dd:75:be:26:f2:d2:1a:8c cybertech@cybertech01
The key's randomart image is:
+--[ RSA 2048]----+
|                 |
|                 |
|        .        |
|       . =       |
|        S .      |
|       o o       |
|      E +.o..    |
|     o o+*+oo    |
|    . ..+*++o.   |
+-----------------+