Uwe Brauer wrote:

>>>> "deloptes" == deloptes
>>>> <deloptes@...> writes:
>  
>> Uwe Brauer wrote:
>>> It is not, I did and now my machine does not boot anymore, any
>>> help is strongly appreciated.
>  
>> IMO there is nothing that would break the system startup. what
>> happens if you boot in single user or use
>> init=/lib/sysvinit/init
>  
>> perhaps systemd can't start something and hangs.
>  
> The fasted solution is to restart the installation, the question
> then is, when trying to install trinity and running into a
> conflict, are there better solutions, than the one offered by
> aptitude?
> 
> Why did apt-get abort?

I use debian - no idea how it works with ubuntu. As you see you were missing
a package - open a 2nd console and install the missing package. Exit
aptitude and start upgrade again. This is what I would do.
I have also never used aptitude, I used apt-get and it worked all the time.

regards