Lot's of Shops use Ubuntu, yes. However you could also use CentOS or Fedora to be more flexible then with RedHat, especially when it comes to costs. 'Mostly' y

Lot's of Shops use Ubuntu, yes. However you could also use CentOS or Fedora to be more flexible then with RedHat, especially when it comes to costs. 'Mostly' you don't need the Enterprise support, however without any paying for it we won't have Fedora / CentOS in the future. ;)