Hi Simone,

thanks for the reply.  Unfortunately, I always use apt update && apt
upgrade and that is where I get the error.

I only tried the single update as a last resort.

When I run apt update & apt upgrade I get the original error message listed
in my first email...

> The following packages have unmet dependencies:

> ntopng : Depends: pfring (= 7.0.0-1887) but 7.0.0-1888 is installed

Cheers,
Chris.

On 15 May 2018 at 18:13, Simone Mainardi <[email protected]> wrote:

> Hi,
>
> On 14 May 2018, at 23:47, It Manager <[email protected]>
> wrote:
>
> Hi Simone,
>
> I'm not sure about Centos, but I am on Ubuntu 16.04.4 LTS.  I have always
> updated with
> sudo apt update && sudo apt upgrade
>
> The error I get is
>
> The following packages have unmet dependencies:
>   ntopng: Depends:  pfring (=7.0.0-1887) but 7.0.0-1888 is installed
>
>
> Just for fun, i thought I'd try to update just pfring so ran
> sudo apt install --only-upgrade pfring
>
> This is what I got.
>
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> You might want to run 'apt-get -f install' to correct these:
> The following packages have unmet dependencies:
>  cento : Depends: pfring (= 7.0.0-1888) but 7.0.0-1927 is to be installed
>  n2disk : Depends: pfring (= 7.0.0-1888) but 7.0.0-1927 is to be installed
>           Recommends: pfring-dkms (= 7.0.0-1888) but 7.0.0 is to be
> installed
>  nprobe : Depends: pfring (= 7.0.0-1888) but 7.0.0-1927 is to be installed
>  ntopng : Depends: pfring (= 7.0.0-1887) but 7.0.0-1927 is to be installed
> E: Unmet dependencies. Try 'apt-get -f install' with no packages (or
> specify a solution).
>
>
> This makes sense to me. You are trying to upgrade only pfring and the
> package manager complains because this will break dependencies of other
> installed packages. Indeed, installed packages depend on an older pfring
> version but they are not going to be updated. The following should work:
>
> apt-get update && apt-get upgrade
>
>
> Simone
>
>
>
> Cheers,
> Chris.
>
> On 12 May 2018 at 02:06, Simone Mainardi <[email protected]> wrote:
>
>>
>>
>> On 10 May 2018, at 00:19, David Hansen <[email protected]>
>> wrote:
>>
>> I have the same problem on centos, can’t seem to get around it.
>>
>>
>> what is the centos version you are using? are you using the stable rpms?
>> can you please post the full command and output you are getting?
>>
>>
>> *From:* [email protected] [mailto:ntop-bounces@listgatew
>> ay.unipi.it <[email protected]>] *On Behalf Of *It
>> Manager
>> *Sent:* Wednesday, May 9, 2018 5:02 PM
>> *To:* [email protected]
>> *Subject:* Re: [Ntop] cannot update ntopng due to incorrect version of
>> pfring
>>
>> Hello Support,
>>
>> I'm wondering if there's any update to this issue?  I'm still unable to
>> update my installation.
>>
>> Cheers,
>> Chris.
>>
>>
>> On 5 May 2018 at 19:59, It Manager <[email protected]>
>> wrote:
>>
>> Hi Luca,
>>
>> thanks for the response.  I am getting the same error.
>>
>> You might want to run 'apt-get -f install' to correct these.
>> The following packages have unmet dependencies:
>>  ntopng : Depends: pfring (= 7.0.0-1887) but 7.0.0-1888 is installed
>> E: Unmet dependencies. Try using -f.
>>
>> Should I try the apt-get -f install ?
>>
>> Cheers,
>> Chris.
>>
>> On 5 May 2018 at 18:13, Luca Deri <[email protected]> wrote:
>>
>> Chris,
>> please do apt-get update and try again
>>
>> Luca
>>
>>
>> On 4 May 2018, at 22:38, It Manager <[email protected]>
>> wrote:
>>
>> Hi All,
>>
>> I am running ntopng on a ubuntu server.  I’m trying to update via apt
>> update / upgrade, and am getting the message
>>
>> The following packages have unmet dependencies:
>> ntopng : Depends: pfring (= 7.0.0-1887) but 7.0.0-1888 is installed
>>
>> This seems strange as I always update this machine via apt update /
>> upgrade.  How should I resolve this problem?
>>
>> Cheers,
>> Chris.
>>
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