Re: "apt-get dist-upgrade" shows kept back packages

[Martin T <m4rtntns@gmail.com>]

On 8/27/15, David Wright <deblis@lionunicorn.co.uk> wrote:
> Quoting Martin T (m4rtntns@gmail.com):
>> Hi,
>>
>> as far as I know, kept back packages in Debian are shown in case
>> package can not be upgraded with "apt-get upgrade" because upgrade
>> requires to install new packages. Usually this can be fixed with
>> apt-get dist-upgrade because this will install new packages if needed.
>>
>> Now for some reason "db5.1-util" package is kept back despite the fact
>> that I execute "apt-get dist-upgrade":
>
> I'm not sure which distribution you're running.
>
> [snip]
>
>> Am I correct that "db5.1-util" is kept back because it replaces
>> libdb5.1 which is required by python2.6 which I have installed? Output
>> of apt-cache can be seen below:
>
> So what depends on python2.6 that won't be satisfied with 2.7?
>
> My wheezy shows libdb5.1:i386 5.1.29-5 and jessie has libdb5.3:i386
> 5.3.28-9
> (assuming they're related). Neither has python2.6.
>
> Cheers,
> David.
>
>

How would you check the packages which depend on python2.6 that won't
be satisfied with python2.7? Simply compare the outputs of "apt-cache
rdepends python2.6" and "apt-cache rdepends python2.7"?


thanks,
Martin