Ubuntu Server documentation
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   .. rubric:: Overview

**Ubuntu Server** is a version of the Ubuntu operating system designed and
engineered as a backbone for the internet.

Ubuntu Server brings economic and technical scalability to your datacenter,
public or private. Whether you want to deploy an OpenStack cloud, a Kubernetes
cluster or a 50,000-node render farm, Ubuntu Server delivers the best value
scale-out performance available.

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   In this documentation
   =========================

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   .. rubric:: In this documentation

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   :gutter: 3
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   .. grid-item-card:: :ref:`Tutorial <tutorial>`

       Get started - a hands-on introduction to Ubuntu Server for new users

   .. grid-item-card:: :ref:`How-to guides <how-to>`

       Step-by-step guides covering key operations and common tasks

   .. grid-item-card:: :ref:`Explanation <explanation>`

       Concepts -
       :ref:`Overviews of key topics <explanation-introduction-to>`, as well as 
       more in-depth discussion and clarification 

   .. grid-item-card:: :ref:`Reference <reference>`

       Technical information -
       :ref:`system requirements <system-requirements>`,
       package specifications and architecture

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   Project and community
   =====================
   
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   .. rubric:: Project and community
   
Ubuntu Server is a member of the Ubuntu family. It's an open source project
that welcomes community projects, contributions, suggestions, fixes and
constructive feedback.

If you find any errors or have suggestions for improvements, please use the
"Give feedback" button at the top of every page. This will take you to
GitHub where you can share your comments or let us know about bugs with any
page.

* Read our `Code of Conduct`_
* `Get support`_
* `Join the Discourse forum`_
* Get in touch via the ``#ubuntu-server`` `IRC channel on Libera`_
* `Download Ubuntu Server`_
* Find out how to :ref:`contribute to the Server Guide <contribute>`

Thinking about using Ubuntu Server for your next project? `Get in touch!`_

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   PDF versions
   ------------

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   .. rubric:: PDF versions

* `Current PDF`_ (for Ubuntu 20.04 LTS onwards)
* `Ubuntu 18.04 LTS PDF`_

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   Tutorial <tutorial/index.rst>

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   How-to guides <how-to/index.rst>

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   Reference <reference/index.rst>

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   Explanation <explanation/index.rst>

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   Contributing <contributing/index.rst>

.. LINKS
.. _Code of Conduct: https://ubuntu.com/community/code-of-conduct
.. _Get support: https://ubuntu.com/support/community-support
.. _Join the Discourse forum: https://discourse.ubuntu.com/c/server/17
.. _Download Ubuntu Server: https://ubuntu.com/server
.. _IRC channel on Libera: https://kiwiirc.com/nextclient/irc.libera.chat/ubuntu-server
.. _Get in touch!: https://ubuntu.com/server/contact-us?product=server
.. _Current PDF: https://documentation.ubuntu.com/_/downloads/server/en/latest/pdf/
.. _Ubuntu 18.04 LTS PDF: https://assets.ubuntu.com/v1/8f8ea0cf-18-04-serverguide.pdf