Which OS to choose for VDS, a user who does not rummage through them at all?

Question

Operating Systems

It is planned to install Vesta on this VDS, and use php + mysql. What is better to choose if I do not rummage around in server systems at all, and absolutely do not see any differences between them?
Here is what the host offers

Answer 1

Ask this to the person you will have to turn to when problems arise.

Answer 2

Ubuntu, Debian, CentOS6

Answer 3

ubuntu

Answer 4

If you don't see the difference at all - then why are you making a choice?)) VPS / VDS will have to be configured one way or another. The hoster can somewhat simplify this process, but not eliminate it, otherwise there is simply no point in taking VDS / VPS.
Drill CentOS6 to get started, and learn/practice in a virtual machine on your computer, then start selling