Generate SSH key pairs

keypairs

$ ssh-keygen -t rsa -b 4096 -m PEM -C "NiFi Registry"

Generating public/private rsa key pair.
Enter file in which to save the key (~/.ssh/id_rsa): ~/temp/id_rsa
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in ~/temp/id_rsa.
Your public key has been saved in ~/temp/id_rsa.pub.
The key fingerprint is:
SHA256:/hu6FZLvcvDigP4ixPFPEGzfpY1RHOoTRytjqYOoYHo NiFi Registry
The key's randomart image is:
+---[RSA 4096]----+
|   .     o+.     |
|    +   .+o.     |
|   . o .B*o      |
|  .....++*.      |
|.o.o..o S .      |
|+.o ...o.+ .     |
|o.E .o. .o+      |
| .... ..o=o.     |
|   ..o..+=+.     |
+----[SHA256]-----+


$ ls
id_rsa     id_rsa.pub