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I had a bunch of errors in the output of sudo apt-get update: duplicate entries and 404 not found errors.

Figured those out, I hope: I removed PPAs that didn't have any packages associated with them, then I removed out a duplicate entry in /etc/apt/sources.list.

It seems I have royally buggered it up. Now most of the lines say Ign when I do sudo apt-get update.

How do I go about straightening out what I have screwed up? I need to get rid of these Igns that are all over the place. There are about 50% (eyeball guess) Igns!

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It means: Ignore –  Rinzwind Oct 10 '13 at 14:22

1 Answer 1

up vote 16 down vote accepted

When you use apt-get update it verifies if the same update indexes need downloading, if not it does not download the same updated indexes again.

  • Hit means apt checked the timestamps on package list, those match and there are no changes.

  • Ign means there are no changes in the pdiff index file, it wont bother downloading it again.

Nothing to be scared of, it just means there is no need to download updated indexes again, the ones you have are current.

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AFAIK the list of packages is contained in the packages.gz/bz2 file in the repo. So, does your answer means that: Hit stand for checking the timestamp of packages.gz file and its Ok. And if time stamps are mismatched then it checks the contents of the packages.gz file literally to match with my computers cache, if found all packages then gives Ign, otherwise update that repo cache. If i am not right then could you be more specific for me? –  heemayl Nov 2 at 10:01

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