Hi Frank,
Everything up to the full upgrade worked fine.
The dry-run command returned:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libffi-dev : Depends: libffi6 (= 3.2.1-4) but 3.2.1-8 is to be installed
 libssl-dev : Depends: libssl1.0.0 (= 1.0.2g-1ubuntu4.15) but 1.0.2n-1ubuntu5.1 
is to be installed
              Depends: zlib1g-dev but it is not going to be installed
 python-pip : Depends: python:any (< 2.8)
              Depends: python:any (>= 2.7.5-5~)
              Recommends: python-all-dev (>= 2.6) but it is not going to be 
installed
              Recommends: python-setuptools but it is not going to be installed
              Recommends: python-wheel but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

I didn't attempt the actual install.

Any other ideas?

Gadi

-----Original Message-----
From: Linux on 390 Port <[email protected]> On Behalf Of Frank Heimes
Sent: Sunday, June 2, 2019 12:45 PM
To: [email protected]
Subject: Re: Problem installing package

Hi Gadi,
I 'assume' that your system and/or archive information was not up to date.

Let's go step-by-step through the following:

First of all fix the current situation with:
sudo apt install --fix-broken
or in short:
sudo apt install -f

Then I suggest to make sure that your archive information and your system is 
really up to date with:
sudo apt update
sudo apt full-upgrade
[I call it usually all at once like: "sudo apt -y -q update && sudo apt -y -q 
full-upgrade"]

and optionally clean your system from packages that were automatically 
installed in the past, but are no longer needed:
sudo apt autoremove --purge

Finally try again - you may try with '--dry-run' first:
sudo apt --dry-run install python-pip libffi-dev libssl-dev This should of 
course not report any dependency errors ...

And in case it's fine, re-run the install:
sudo apt install python-pip libffi-dev libssl-dev

On one of my systems I just could install these packages flawlessly ...

Bye, Frank

On Sun, Jun 2, 2019 at 8:13 AM Gadi Ben-Avi <[email protected]> wrote:

> Hi,
> I am having problems installing a package on Ubunti 18.04 LTS running on Z.
> I issue the command:
> sudo apt-get install python-pip libffi-dev libssl-dev
>
> and get:
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Some packages could not be installed. This may mean that you have 
> requested an impossible situation or if you are using the unstable 
> distribution that some required packages have not yet been created or 
> been moved out of Incoming.
> The following information may help to resolve the situation:
>
> The following packages have unmet dependencies:
> libffi-dev : Depends: libffi6 (= 3.2.1-4) but 3.2.1-8 is to be 
> installed libssl-dev : Depends: libssl1.0.0 (= 1.0.2g-1ubuntu4.15) but
> 1.0.2n-1ubuntu5.1 is to be installed
>               Depends: zlib1g-dev but it is not going to be installed
>               Recommends: libssl-doc but it is not going to be 
> installed python-pip : Depends: python:any (< 2.8)
>               Depends: python:any (>= 2.7.5-5~)
>               Recommends: python-all-dev (>= 2.6) but it is not going 
> to be installed
>              Recommends: python-setuptools but it is not going to be 
> installed
>               Recommends: python-wheel but it is not going to be 
> installed
> E: Unable to correct problems, you have held broken packages.
>
> Does anyone have an idea how to fix this?
>
> Gadi
>
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