[Bug 1127540] Re: improve installer to get newer releases from the internet

[Dmitrijs Ledkovs]

# Allways bootable -> makes the default image twice the size, when
everyone will ever only use one half of it. (wont fix)

# One installation CD for all Ubuntu versions -> use pxe boot or
mini.iso which you can trick into installing any ubuntu release
(invalid)

# Propose to install newer Ubuntu versions -> there is no future compat
guarantee that this installer can install future releases, this is
dangerous on reliability side of things (wont fix)

# net-install-only ISO -> see
https://help.ubuntu.com/community/Installation/MinimalCD (fix released)

# miscellaneous -> cdimages.ubuntu.com publishes torrent files with a
few supernodes seeding together with a large pool of people seeding the
images (fix released)

** Changed in: ubiquity (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1127540

Title:
  improve installer to get newer releases from the internet

Status in “ubiquity” package in Ubuntu:
  Invalid

Bug description:
  Idea – Big Picture
  =============================================
  The main idea is to allays have an installation medium that is capable to install the latest Ubuntu and LTS version as long as there is an internet connection.

  # Allays bootable
  ---------------------------------------------
  Add two bootable mini installers to the installation medium, one for 32-bit the other for 64-bit.
  If the user inserts a 64-bit CD into an 32-bit-only-PC, instead of an error, he should see a dialog – if an internet connection is available – saying: “This Ubuntu installation medium is for 64-bit PC only. By clicking 'Next' the installer will download an appropriate installation medium for you that fits your processor architecture”.

  # One installation CD for all Ubuntu versions
  ---------------------------------------------
  I don't know how many CDs if burned over the years with all kind of Ubuntu flavors on it. If the installer would have the possibility to load a newer Ubuntu version you would never have to burn an installer CD again → reduces garbage.

  # Propose to install newer Ubuntu versions
  ---------------------------------------------
  * If the users uses an none LTS installer that is not equals the newest Ubuntu version.
  * If the users uses a LTS installer but there is a newer LTS available.

  # net-install-only ISO
  ---------------------------------------------
  Beside expanding the “normal” installer there could be a super small net-install-only ISO.

  # miscellaneous
  ---------------------------------------------
  Instead of using the official servers to download the ISO maybe torrents could be used - everyone uploads and downloads...

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