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I think the standard web site for Ubuntu iso files is

https://ubuntu.com/download

But it is difficult to find some of the files that way. Please describe how to find all Ubuntu iso files and other images! Are there any shortcuts or web sites that are possible to remember?

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  • 3
    cdimage.ubuntu.com/ubuntu or releases.ubuntu.com . For older releases: old-releases.ubuntu.com
    – Kulfy
    Nov 5, 2019 at 11:35
  • @Kulfy, Yes, these are the websites that I want to focus on :-) Let us hope that there will be even more websites and/or details, that can help people find the Ubuntu version and flavour that they are looking for :-)
    – sudodus
    Nov 5, 2019 at 11:40
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    cloud-images.ubuntu.com : "Official Ubuntu images and are pre-installed disk images that have been customized by Ubuntu engineering to run on public clouds that provide Ubuntu Certified Images, Openstack, LXD, and more."
    – user535733
    Nov 5, 2019 at 15:04
  • @user535733, That's right :-) Do you want to make an own answer about cloud-images, or do you want me to make a paragraph about it in my answer?
    – sudodus
    Nov 5, 2019 at 15:36
  • @sudodus your answer is already great, so I leave the addition to you.
    – user535733
    Nov 5, 2019 at 15:39

1 Answer 1

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Three Ubuntu web sites that you can remember

Please look at the three following links,

http://cdimage.ubuntu.com

http://releases.ubuntu.com/

http://old-releases.ubuntu.com/

cdimage

A lot of official Ubuntu files, including the daily iso files of the developing version as well as released server files, are found at the cdimage web site. Here we focus on

Ubuntu Server

  • server iso files with the traditional debian installer and
  • compressed image files of preinstalled server systems

Such files for many different architectures are found at the sub-directory

http://cdimage.ubuntu.com/releases/18.04.3/release/

This link will be modified and point to a new version, when 18.04.3 is no longer the newest LTS [point] release. It should be easy to find the corresponding sub-directory of cdimage (as long as the current structure will be maintained).

Ubuntu netboot alias mini.iso

It is worth pointing to the following link,

http://cdimage.ubuntu.com/netboot/

where we can find the Ubuntu mini.iso files, which are extremely small, and also have the debian installer. If you are happy with installing your server or desktop system in BIOS mode (alias CSM alias legacy mode), you can start from an Ubuntu mini.iso file.

There are still 32-bit mini.iso files (for previous versions and including a current version 18.04 LTS) for really old computers.

releases

The desktop iso files, community family flavours (also with desktop environments) and the new style 'live-server' iso files with the curtin installer are found at

http://releases.ubuntu.com/

old-releases

The files at those two web sites will be moved to

http://old-releases.ubuntu.com/

when it is time to replace them with newer versions. Here I found a corresponding server iso file with the debian installer for version 18.04.1 LTS, with a long time left until end of life. This version will stay with the hardware enablement stack around the linux kernel series 4.15.


You can find a lot of versions and flavours of Ubuntu via these three links. It is a good idea to browse them (spend some time to climb down into the directory trees).


cloud-images

There is also an Ubuntu web site,

http://cloud-images.ubuntu.com/

with customized images to be used on public clouds:

Ubuntu Cloud Images are the official Ubuntu images and are pre-installed disk images that have been customized by Ubuntu engineering to run on public clouds that provide Ubuntu Certified Images, Openstack, LXD, and more.

Screenshots

The following screenshots can help you see what you can expect to find via these three websites,

cdimage.ubuntu.com:

cdimage


releases.ubuntu.com:

releases


old-releases.ubuntu.com/releases (sorted by last modified):

old-releases/.../releases

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