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I am trying to install Ubuntu Server 14.04 and am currently stuck on this error:

INFO: Menu item 'apt-setup-udeb' succeeded but requested to be left unconfigured.

At that point the installer stops. I am presented a menu where I can choose which step of the install to execute next. If choose to install GRUB and then reboot I can boot and log in. But I don't have all the software I wanted, and apt won't install any additional software.

What might be the reason apt-setup-udeb won't be configured during install?

My search for explanations lead me to some very old Debian bug reports which did not help me understand the problem and one deleted question which I cannot read.

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  • Did you check the md5 or sha256 of the iso. It might be a corrupted iso.
    – Ceda EI
    Aug 30, 2016 at 3:23
  • @CedaEI I always verify the checksum before starting the installer. I just verified the checksum again just to be sure the iso didn't get corrupted in the meantime. The checksum is still correct.
    – kasperd
    Aug 30, 2016 at 19:35
  • I do have no idea other than that.
    – Ceda EI
    Aug 31, 2016 at 13:42

2 Answers 2

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I had the same issue and I was installing Debian from an hard drive At the beginning of the installation, for loading the data from the hard disk I had to mount it in the cdrom folder, by running the command:

mkdir cdrom && mount -t vfat /dev/sda1 /cdrom

Then the installation got stuck at Configure the package manager

This is my syslog, as you can see it's the same error

main-menu[218]: INFO: Menu item 'apt-setup-udeb' selected
apt-setup: /usr/lib/apt-setup/generators/50mirror backed up
main-menu[218]: INFO: Menu item 'apt-setup-udeb' succeeded but requested to be left unconfigured.
main-menu[218]: INFO: Falling back to the package description for brltty-udeb
main-menu[218]: INFO: Falling back to the package description for brltty-udeb
main-menu[218]: INFO: Menu item 'save-logs' selected

Solution

So, I think that there are two things that you can do:

  1. Since you are using Ubuntu, you can do what user832809 said, and try to run d-i anna/choose_modules apt-cdrom-setup

  2. If it is not working, if you are using Debian and/or if you mounted the hd with the installation image in the cdrom folder, unmount it with this command:

    umount /cdrom

I hope it works, I spent a lot of time to figure this out

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  • 1
    umount /cdrom worked for a reluctant Debian 11 install on a Raspberry Pi 4 (see here), so I just wanted to say thanks for figuring that one out.
    – Akeo
    Dec 15, 2020 at 19:21
  • @Akeo you are welcome :) I've spent really a lot of time before figuring this out, I'm glad that my answer is helpful!
    – yes sure
    Dec 15, 2020 at 19:48
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    umount /cdrom worked here too when I got stuck during debian 10 netinst, you saved my day, thanks a lot, @yes sure.
    – gpanda
    Apr 28, 2021 at 4:01
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This could be the same bug found in this question: Ubuntu preseed exits after package manager

This is caused by previous bug (apt-cdrom-setup not loaded during lowmem netinst install) on Debian installer, that it seems to persist, despite it said fixed.

You need to find a way to explicitly load the apt-cdrom-setup module in your installation method. If you use a preseed file try with:

d-i anna/choose_modules apt-cdrom-setup
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  • It's been a long time and I no longer recall what hackish workaround I used to get around the problem. But it sounds about right that the problem had to do with the cdrom setup somehow not working for me.
    – kasperd
    May 22, 2018 at 21:21

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