[ubuntu] can't do-release-upgrade from 14.04.5 LTS ot 16.04?

ساخت وبلاگ

Hi,

I'm trying to do-release-upgrade from my 14.04.5 LTS box to 16.04 LTS, but do-release-upgrade tells me that either I have unofficial packages or I'm trying to upgrade from an outdated version, neither of which seems to be true. But other than this message, I can't get out the specifics of why the upgrade is not working.

14.04.5 is listed among the 'current' releases: http://releases.ubuntu.com/ . this is what my system sais:

Code:

# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty

I filed a bug on this regard, but no response: https://bugs.launchpad.net/ubuntu/+s...r/+bug/1612301

What could be wrong?

Akos

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