A solution for a simple storage, built on the OS

Question

linux

Hello.
The situation is this: a lot of space has been freed up on a machine (Debian), I want to make a small NAS out of it, but the problem is that all the NAS that I have created are OS implementations.
Are there such things that are put on the OS?
From the requirements (from necessary to unnecessary): ssh ftp rsync web gui webdav
No problem to install these components yourself, but still bicycles must have been invented before me.
Thanks in advance!..

Answer 1

openfiler?

Answer 2

www.zentyal.org/

Answer 3

it was here
habrahabr.ru/qa/5056/

Answer 4

apt-get? webmingui