I can not make much sense of what it is the OP wants to do.
I can see probably they are using a translator, so language is part of the reason.
Do you (the OP ) mean : Debian application to manage a internet cafe service ?Debian application to manage a internet cafe service
There are a few applications available.
I think a somewhat more detailed description of exactly what you are trying to do is needed.
The way I am interpreting this , is that you are looking for a application to manage several , multiple PC's, or work stations, that would be used in a
Internet Cafe ?
Since this is Debian User Forums, I am assuming you will be using Debian on
the PC's, however it would help to know what version of Debian you are or will