[Bug 574686] Re: can't get lucid installer to upgrade offline, without going over the net

[Marja Erwin]

I don't recall all the details, but I had similar trouble installing
Xubuntu 11.10. I ultimately used the alternate installer, and had to
skip the network-related steps, and ended up with a buggy install.

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Title:
  can't get lucid installer to upgrade offline, without going over the
  net

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  I'm trying to upgrade to Ubuntu 10.4 lucid from a torrent; I found directions
  at https://help.ubuntu.com/community/LucidUpgrades#Upgrading%20from%20a%20Torrent

  Getting the torrent was no trouble; it took about 20 minutes to get
  both the desktop and the alternate image (I didn't realize I needed
  the alternate image until I had started getting the desktop image).

  $ md5sum *i386*
  5b2dadacfd692b4f2d5c7cf034539262  ubuntu-10.04-alternate-i386.iso
  d044a2a0c8103fc3e5b7e18b0f7de1c8  ubuntu-10.04-desktop-i386.iso

  Then I mounted the image a la:

  $ sudo mount -o loop /home/connolly/Desktop/OpenSource/OpenSource-
  CD/ubuntu-10.04-alternate-i386.iso /media/cdrom0

  and then I started the installer:

  $ gksu "sh /cdrom/cdromupgrade"

  At the "Include latest updates from the Internet?" dialog, I answered "No".
  It says quite clearly: "If you answer 'no' here, the network is not used at all."

  but then I get a "Do you want to start the upgrade?" dialog that
  says "You have to download a total of 1,209M."

  I thought perhaps "download" was a misnomer and that it would
  get the packages locally, but
   (a) the network went *very* busy (estimating hours to days to complete), so I cancelled it;
   (b) I took the network down with "sudo ifdown eth0" and tried again,
    and it failed altogether

  Then I thought perhaps the problem was related to using a mounted .iso image
  rather than a physical CD, so I burned the image to CD and tried again.
  Same symptoms (with the alternate and then the desktop CD).

  I have logs of all of these attempts; I think the one with eth0 down is likely
  to have the most information; let's see if I can figure out how to attach it...

  Ugh... I don't see any way to attach files.
  So I put it in http://pastebin.com/C5S97rRY

  Hmm... package "linux" got attached to this question somewhow; I doubt
  that's the relevant package, but I'm not sure which is... perhaps update-manager-core?

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