2023-08-14 10:36:26 +00:00
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Screen-by-screen installer
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**************************
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The installer is designed to be easy to use without documentation. However,
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this guide provides more information on each of the screens of the installer to
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help walk you through an installation.
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Language selection
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==================
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.. image:: figures/sbs-language.png
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:alt:
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This screen selects the language for the installer and the default language
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for the installed system.
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More languages can be displayed if you
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2023-10-12 14:29:36 +00:00
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`connect via SSH <https://discourse.ubuntu.com/t/how-to-operate-the-server-installer/16689#connect-via-ssh>`_.
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2023-08-14 10:36:26 +00:00
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Refresh
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=======
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.. image:: figures/sbs-refresh.png
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:alt:
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This screen is shown if there is an update available for the installer. This
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allows you to get any improvements and bug fixes made since release.
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If you choose to update, the new version will be downloaded and the installer
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will restart at the same point of the installation.
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Keyboard
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========
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.. image:: figures/sbs-keyboard.png
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:alt:
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Choose the layout and variant of keyboard attached to the system, if any. When
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running in a virtual terminal, it is possible to guess the layout and variant
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by answering questions about the keyboard.
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Zdev (s390x only)
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=================
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.. code-block::
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====================================================================
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Zdev setup
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====================================================================
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ID ONLINE NAMES ^
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│
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generic-ccw │
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0.0.0009 > │
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0.0.000c > │
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0.0.000d > │
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0.0.000e > │
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│
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dasd-eckd │
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0.0.0190 > │
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0.0.0191 > │
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0.0.019d > │
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0.0.019e >┌────────────┐
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0.0.0200 >│< (close) │
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0.0.0300 >│ Enable │
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0.0.0400 >│ Disable │
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0.0.0592 >└────────────┘ v
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[ Continue ]
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[ Back ]
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This screen is only shown on s390x and allows z-specific configuration of
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devices.
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The list of devices can be long. :kbd:`Home` / :kbd:`End` / :kbd:`PageUp`
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/ :kbd:`PageDown` can be used to navigate through the list more quickly.
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Network
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=======
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.. image:: figures/sbs-network.png
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:alt:
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This screen allows the configuration of the network. Ubuntu Server uses NetPlan
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to configure networking and the UI of the installer can configure a subset of
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NetPlan's capabilities. In particular it can configure DHCP or static
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addressing, VLANs and bonds.
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If networking is present (defined as "at least one interface has a default
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route") then the installer will install updates from the archive at the end of
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installation.
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Proxy
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=====
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.. image:: figures/sbs-proxy.png
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:alt:
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The proxy configured on this screen is used for accessing the package
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repository and the snap store both in the installer environment and in the
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installed system.
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Mirror
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======
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.. image:: figures/sbs-mirror.png
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:alt:
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The installer will attempt to use ``geoip`` to look up an appropriate default
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package mirror for your location. If you want or need to use a different
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mirror, enter its URL here.
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Storage
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=======
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.. image:: figures/sbs-storage.png
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:alt:
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Storage configuration is a complicated topic and :ref:`has its own page for documentation <configure-storage>`.
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.. image:: figures/sbs-confirm-storage.png
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:alt:
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Once the storage configuration is confirmed, the install begins in the
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background.
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Identity
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========
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.. image:: figures/sbs-identity.png
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:alt:
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The default user will be an administrator, able to use ``sudo`` (this is why a
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password is needed, even if SSH public key access is enabled on the next
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screen).
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SSH
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===
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.. image:: figures/sbs-ssh.png
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:alt:
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A default Ubuntu install has no open ports. It is very common to administer
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servers via SSH so the installer allows it to be installed with the click of a
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button.
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You can import keys for the default user from GitHub or Launchpad.
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If you import a key, then password authentication is disabled by default but it
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can be re-enabled again at a later time if you wish.
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Snaps
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=====
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.. image:: figures/sbs-snaps.png
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:alt:
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If a network connection is enabled, a selection of snaps that are useful in a
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server environment are presented and can be selected for installation.
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Installation logs
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=================
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.. image:: figures/sbs-logs.png
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:alt:
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The final screen of the installer shows the progress of the installer and
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allows viewing of the full log file. Once the install has completed and
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security updates installed, the installer waits for confirmation before
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restarting.
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.. image:: figures/sbs-complete.png
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:alt:
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