We will need a Debian-based server for our development Odoo server. If these are your first steps with Linux, you may take note that Ubuntu is a Debian-based Linux distribution, so they are very similar.
Odoo is guaranteed to work with the current stable version of Debian or Ubuntu. At the time of writing, these are Debian 9 Stretch and Ubuntu 16.04 LTS Xenial Xerus.
We do recommend you choose Ubuntu, since it is easier to install than Debian. Ubuntu ISO images can be downloaded from https://www.ubuntu.com. It is recommended to use the latest LTS (long-term support) version available.
If you're just getting started with Linux, a ready-to-use image can be easier to start with. TurnKey Linux provides easy-to-use preinstalled ...