```
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]-----+
```
