Google apps, and i would like to use
Google Cloud Print but all my printers are "classic", and for what i understand it is possible to use a classic printer if i have a running pc with my google account on chrome.
is there any service or something that i can install it on my
CentOS server so it can be always running and sharing printers too google Cloud Print?
I use a python project called cloudprint. It's in the Ubuntu repositories, I don't know about CentOS, check your repos. Alternatively, you could just download it from Github. It's fairly straight forward and works pretty well.
I have that at home. The Printing service for Linux is called CUPS and you can install it in any Linux.
yum install cups
after that, just browse to
your_centos_ip:631 and add a printer.
After that, i believe you have to login into your google account in that machine and add the printer in google cloud print service.
EDIT: Check here the help from google cloud printing.