```
jenkins@ip-www:~/.ssh$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/var/lib/jenkins/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /var/lib/jenkins/.ssh/id_rsa.
Your public key has been saved in /var/lib/jenkins/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:Eo4m3qyr0saoQwzWZSxegXPwtiQx95XHu+wMgy/5S7U jenkins@ip-www
The key's randomart image is:
+---[RSA 2048]----+
| ++o. .o |
| +=*. .. o |
| o.B+.. . . |
|.. o+o.. . |
|+ . o.o S ... |
| + = o o.o. |
|.+. o o.=E |
|+ +. o.. o |
|=+o. oo. |
+----[SHA256]-----+
```
