3 - Create a Linux User with non-interactive shell
Solution
thor@jump_host ~$ ssh tony@stapp01
[tony@stapp01 ~]$ sudo -i
[root@stapp01 ~]# adduser backup -s /sbin/nologin/
[root@stapp01 ~]# id backup; cat /etc/passwd | grep backup
thor@jump_host ~$ ssh tony@stapp01
[tony@stapp01 ~]$ sudo -i
[root@stapp01 ~]# adduser backup -s /sbin/nologin/
[root@stapp01 ~]# id backup; cat /etc/passwd | grep backup