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How to upgrade from ISO file, when "alternate" ISOs are no longer available???

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    How to upgrade from ISO file, when "alternate" ISOs are no longer available???

    As I seem utterly unable either to get Synaptic (forget Muon - as usual it's baffled) to recognized my new 12.10 ISO DVD as a software source, I am now trying to do an upgrade for 12.4 to 12.10 directly from an ISO file on my HD. I can find command instructions for doing this with earlier versions of KB, via Google. BUT, they all use the "alternate" ISO. That exists no longer.

    So, with the new one-ISO system, what do I do?

    I've tried mounting the DVD (that's in my USB optical drive) using the command line instructions that I found on two blogs -

    To upgrade with the alternate disk (change iso path and name)
    Code:

    sudo mount -o loop ~/Desktop/ubuntu-10.04-alternate-i386.iso /media/cdrom0

    Didn't work. I'm no KB linux guru - just don't have the time, so I'm again completely stuck.

    Any ideas how to upgrade 12.04 to 12.10 via an ISO - either on one's HD or burned to a DVD ('cause this should be faster for my 3 boxes - I think).

    All suggestions will be appreciated.

    #2
    See my how-to:

    Approximate a command-line install with the Server ISO

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      #3
      Thanks! This how-to looks right on target. Thanks for anticipating and meeting this need!

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