Ubuntu 12.04 upgrade (from 11.10) removed all packages installed

Posted by Jagmal on Ask Ubuntu See other posts from Ask Ubuntu or by Jagmal
Published on 2012-04-30T19:53:34Z Indexed on 2012/06/01 16:50 UTC
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12.04

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restore

I upgraded from Ubuntu 11.10 to 12.04 using bootable USB. After upgrade, all non-default packages from 11.10 are gone. For ex, I did not have Chromium, Eclipse etc. Although, I could see these in the History in the "Ubuntu Software Center".

Is there any way I can retrieve all these packages (even reverting back to 11.10 is also fine with me)?

What could be a possible reason for this (We plan to upgrade a few more machines)?

During the upgrade process, I had unchecked the box which asked permission to look online for upgrade/packages. Co

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