Download Ubuntu Server

Ubuntu Server 18.04.1 LTS

The long-term support version of Ubuntu Server, including the Queens release of OpenStack and support guaranteed until April 2023 — 64-bit only.

This release uses our new installer, Subiquity. If you need support for options not implemented in Subiquity, such as encrypted filesystem support, the traditional installer can be found on the alternative downloads page.

Ubuntu Server 18.04 LTS release notes


For other versions of Ubuntu including torrents, the network installer, a list of local mirrors, and past releases see our alternative downloads.

Server provisioning with MAAS

  • Metal as a Service (MAAS) offers cloud style provisioning for physical servers
  • Designed for building data centres with complex networks
  • Supports Windows, Ubuntu, CentOS and RHEL


Ubuntu Server 18.04.1 LTS for OpenStack

  • Supported for five years by Canonical
  • Updated to the OpenStack Queens release, including Designate, more flexible Ceph deployments and improved monitoring.
  • Nova LXD driver - deploy OpenStack instances as system containers, dramatically increasing per-node density
  • Juju OpenStack bundle - automated deployment of OpenStack into LXD system containers
  • ZFS support for LXD OpenStack hosts
  • Certified by Microsoft to host Windows Server 2012 and Windows Server 2008 R2 as guests, under its Server Virtualisation Validation Program (SVVP)
  • Multi platform support OpenStack, Juju, MAAS, LXD on IBM LinuxONE mainframe, IBM Power 8 and ARM64

Alternative architectures

Ubuntu Server for ARM

Optimised for hyperscale deployments and certified on a number of ARM chipsets, including HP, Cavium, Applied Micro and Marvell — Ubuntu Server for ARM includes the 64-bit ARMv8 platforms.

Get Ubuntu Server for ARM ›

Ubuntu for POWER

Ubuntu is available on the IBM POWER platform, bringing the entire Ubuntu and OpenStack ecosystem to IBM POWER.

Get Ubuntu for POWER ›

Ubuntu for IBM Z

IBM Z and LinuxONE leverage open technology solutions to meet the demands of the new application economy. Ubuntu is now available, with Juju and Ubuntu OpenStack.

Get Ubuntu for IBM Z ›