[Bug 1169044] Re: can't install/upgrade postfix non interactively through apt

[Robie Basak]

Thanks for your reply. It's great that you've got a clone - presumably
even though I can't reproduce the issue, you can?

Could you please clone again, but perform a few steps differently this
time? This will help diagnose the issue.

First, I don't understand what the changelog is in less at all. Please
could you describe everything you see around that in more detail? Have
you installed any kind of addon or modification that might affect the
upgrade process?

Then, from a clone to reproduce the problem, please run "dpkg-query -W
postfix" to give me the version number you're upgrading from.

Next, please install the "debconf-tools" package (before upgrading),
then run "debconf-get-selections|grep postfix" and paste the output of
that here.

Then, to upgrade, run "sudo DEBIAN_FRONTEND=text apt-get upgrade"
instead. This will show you the prompt without full screen mode, which
will allow you to copy and paste the output more easily. Please try and
capture the output of absolutely everything and attach it to this bug.
Please don't skip any output - it may be important.

To eliminate the less command to make it easier to capture that, you
might try "sudo DEBIAN_FRONTEND=text  PAGER=cat apt-get upgrade". I'm
not sure what the less invocation is, but this might eliminate it.

Setting Incomplete again - please change to New when done (this is to
clear it from the triage queue so that it pops up again when the bug
needs attention).

** Changed in: postfix (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1169044

Title:
  can't install/upgrade postfix non interactively through apt

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