Ubuntu Server brings economic and technical scalability to your datacentre, public or private. Whether you want to deploy an OpenStack cloud, a Hadoop cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available.
Download link: https://www.ubuntu.com/download/server
The long-term support version of Ubuntu Server, including the Mitaka release of OpenStack and support guaranteed until April 2021 — 64-bit only.
Download Ubuntu 16.04.2 LTS
Images can be downloaded from a location near you.
You can download images from:
http://releases.ubuntu.com/16.04.2/ (Ubuntu Desktop and Server)
http://cdimage.ubuntu.com/ubuntu/rele... (Less Popular Ubuntu Images)
http://cdimage.ubuntu.com/netboot/16.... (Ubuntu Netboot)
http://cdimage.ubuntu.com/ubuntu-base... (Ubuntu Base)
http://cdimage.ubuntu.com/kubuntu/rel... (Kubuntu)
http://cdimage.ubuntu.com/lubuntu/rel... (Lubuntu)
http://cdimage.ubuntu.com/ubuntustudi... (Ubuntu Studio)
http://cdimage.ubuntu.com/ubuntu-gnom... (Ubuntu GNOME)
http://cdimage.ubuntu.com/ubuntukylin... (Ubuntu Kylin)
http://cdimage.ubuntu.com/ubuntu-mate... (Ubuntu MATE)
http://cdimage.ubuntu.com/xubuntu/rel... (Xubuntu)
http://cdimage.ubuntu.com/mythbuntu/r... (Mythbuntu)