Verifying/fixing a failed (?) upgrade to 13.04

[Tom H]

On Tue, May 14, 2013 at 5:35 AM, Colin Law <clanlaw at googlemail.com> wrote:
> On 14 May 2013 10:28, Adam Funk <a24061 at ducksburg.com> wrote:
>>
>> Yesterday I upgraded a machine from 12.10 to 13.04 using the GUI from
>> the update-manager.  Something mysteriously died towards the end (I
>> got some /var/crash/_whatever) & I can't figure out how to tell if the
>> upgrade worked or not.  When I log into the machine it shows this:
>>
>> Welcome to Ubuntu 13.04 (GNU/Linux 3.8.0-19-generic i686)
>> ...
>>   Graph this data and manage this system at https://landscape.canonical.com/
>>
>> New release '13.04' available.
>> Run 'do-release-upgrade' to upgrade to it.
>>
>>
>> But do-release upgrade does nothing:
>>
>>
>> /home/adam $ sudo do-release-upgrade
>> [sudo] password for adam:
>> Checking for a new Ubuntu release
>> No new release found
>>
>>
>> and aptitude update && aptitude safe-upgrade do nothing either.  I've
>> checked that all the entries in /etc/apt/sources.list and
>> sources.d/*.list have "raring".
>>
>> How do I verify that my system is upgraded?
>> If it is, how do I fix the "New release" message?
>
> Does
> sudo apt-get update && sudo apt-get dist-upgrade
> achieve anything or produce any errors?

The aptitude equivalent would be "aptitude update && aptitude
safe-upgrade && aptitude full-upgrade".