[CentOS] adding users on multiple servers

[Bazy]

>
> Short of finding some remotely exploitable vulnerability, you'll have
> to visit each server and login. Imagine if you *could* create IDs
> without root authority? :D
>
> Are the servers identically configured?
>
> If you can login remotely as root you can automate some of them via
> expect. What issues were you encountering?
>
> If you're doing this it might be the perfect opportunity to add some
> sort of remote management or authentication to the systems.

I cannot do any changes to the environment therefor I cannot configure
centralized authentication :-) It's fun stuff.
I managed to find a way with perl and Net::SSH::Expect.

The simple expect script would enter the su password and die without
sending the adduser commands.


Thanks everyone