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From this link, I've seen that there are two versions of installers for Ubuntu Server 18.04, which one uses the internet, but the other doesn't.
On installing Ubuntu Server 22.04 I get error on the following log:

configuring apt
  curtin command in-target

Why there's no standard installer for the 22.04 version on this link?
How should one now install Ubuntu Server 22.04 while not having connection to the internet?

Here's the installer log.

Parsa Noori
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  • If you have problems with the installer, you can extract a compressed image file and get an installed system directly from this link. You find more details at this link how to use it. In Ubuntu there are many tools that can extract and clone it to the target drive, for example mkusb. In Windows you can use Rufus. – sudodus Aug 01 '22 at 13:55
  • @user535733 I see. The iso files worked fine on disabling the NICs. – Parsa Noori Aug 01 '22 at 14:36
  • @sudoodus Isn't there nicer documentations on this? A forum doesn't seem to be good way for organizing knowledge. – Parsa Noori Aug 01 '22 at 14:37
  • The official way to get Ubuntu Server is provided by Canonical, and for amd64 architecture (PC computers), there are only iso files with installers. For other architectures, e.g. RPi, there are official compressed image files. Now Canonical is publishing compressed image files also for amd64 architecture, but silently 'as a service to the developers'. Take it or leave it ;-) – sudodus Aug 01 '22 at 14:41

2 Answers2

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I needed to disable the network adapters for the installer to stop running sudo apt update.
It seems like the installer can get better at asking the user whether or not the given links have got an internet connection or not.

karel
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Parsa Noori
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Download from this link. Burn to usb. Install.

llesh
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    this link is purely a download, where is it coming from? Is it from an official Ubuntu site? If so, can you edit your answer to include the link to the page itself, so users can verify the source of the download? – Esther Aug 01 '22 at 13:55
  • That's exactly what I did. – Parsa Noori Aug 01 '22 at 14:38
  • This is what I did, too. However an installation w/o internet connection is not possible using this image. It will try to connect to the internet. Possibly forever. – Joerg S May 02 '23 at 06:32
  • As a workaround, I will use now the Desktop installer. I know that this one will work. – Joerg S May 02 '23 at 06:33