On Thursday 27 of July 2017 00:12:42 dep wrote:
> greetings . . .
>
> i've about concluded that i absolutely must upgrade my linux/tde
> install. i'm currently running 14.04 atop ubuntu 1204-LTS, which is at
> its end. hypothetically i should be able to do use ubuntu's system
> upgrade tool and all would be well in moving me from 1204 to 1404; i
> would not have to reinstall everything from scratch. but no. it throws
> this error: [quote]
>
> Could not calculate the upgrade
>
> An unresolvable problem occurred while calculating the upgrade.
>
>  This can be caused by:
>  * Upgrading to a pre-release version of Ubuntu
>  * Running the current pre-release version of Ubuntu
>  * Unofficial software packages not provided by Ubuntu
>
> [/quote]
>
> looking in /var/log/dist-upgrade, i find this error:
>
> [quote
>
> ERROR Dist-upgrade failed: 'The package 'kubuntu-desktop-trinity' is
> marked for removal but it is in the removal blacklist.'
>
> [/quote]
>
> for some reason i must have added it to that blacklist, but truth be
> known i do not remember having done so or even the existence of such a
> blacklist, never mind how to add or delete something to or from it.
>
> so, am wondering if there is a way around this that wouldn't (as it
> appears would happen here anyway) nuke my TDE install.
>
> am i missing something obvious? do i want to d/l and install a TDE
> image and, if so, can i do an upgrade (rather than wipe and reinstall)
> from that?
>
> thanks in advance

Hi dep,

I always strictly avoided the Ubuntu tool because one of the steps it 
performs is to disable all external apt sources. But this step is a very 
good reason for causing conflicts during the dist-upgrade.

Instead, I use the classic Debian way == change the distribution name in 
all apt sources lists and then the common procedure:

apt-get udpate
apt-get upgrade
apt-get clean
apt-get dist-upgrade
apt-get clean
apt-get autoremove

Cheers
-- 
Sl�vek