At 08:05 PM 1/21/2020, you wrote:
> On 1/21/20 10:10 AM, david wrote:
>> At 08:52 AM 1/21/2020, David G. Miller wrote:
>>
>>
>>> On 1/21/20 9:35 AM, david wrote:
>>>> Folks
>>>>
>>>> In a test Centos 8 installation as a guest of VirtualBox on Windows
>>>> 10, I want to install ffmpeg, and support for exfat. They're not in
>>>> the standard distribution (as far as I know), so I issue as root:
>>>>
>>>> � yum -y --enablerepo rpmfusion-free-updates install ffmpeg
>>>> fuse-exfat exfat-utils
>>>>
>>>> and that works just fine.� The ffmpeg functionality works; I
>>>> haven't tested exfat yet.� However, later, as part of maintenance,
>>>> I want to get a list of everything that's installed, so I issue
>>>>
>>>> � yum list installed
>>>>
>>>> and the following diagnostics occur:
>>>> -------------------------------
>>>> Modular dependency problems:
>>>>
>>>> Ã? Problem 1: conflicting requests
>>>> � - nothing provides module(perl:5.26) needed by module
>>>> perl-App-cpanminus:1.7044:8010020191120175858:a9207fc6-0.x86_64
>>>> Ã? Problem 2: conflicting requests
>>>> � - nothing provides module(perl:5.26) needed by module
>>>> perl-DBD-MySQL:4.046:8010020191114030811:073fa5fe-0.x86_64
>>>> Ã? Problem 3: conflicting requests
>>>> � - nothing provides module(perl:5.26) needed by module
>>>> perl-DBD-SQLite:1.58:8010020191114033549:073fa5fe-0.x86_64
>>>> Ã? Problem 4: conflicting requests
>>>> � - nothing provides module(perl:5.26) needed by module
>>>> perl-DBI:1.641:8010020191113222731:16b3ab4d-0.x86_64
>>>> Ã? Problem 5: conflicting requests
>>>> � - nothing provides module(perl:5.26) needed by module
>>>> perl-YAML:1.24:8010020191114031501:a5949e2e-0.x86_64
>>>> Installed Packages
>>>> <long list follows>
>>>> ------------------------------
>>>>
>>>> By the way, cpanm works ok too.
>>>>
>>>>
>>>> My questions are:
>>>> What do these diagnostics tell me?� What am I supposed to do about
>>>> it?
>>>>
>>>> Thanks for your help
>>>>
>>>> David
>>>>
>>>>
>>> I think its telling you that perl is NOT installed but the listed
>>> perl modules are installed although it could be looking for
>>> specifically the 5.26 version of perl (since you mentioned the CPAN
>>> works).� What happens if you issue perl -v?� perl gets installed as
>>> a dependency of logwatch as an example so a lot of people don't
>>> realize that they have perl installed whether they want it or not.
>>>
>>> Cheers,
>>> Dave
>>>
>>> --
>>> "They that can give up essential liberty to obtain a little temporary
>>> safety deserve neither safety nor liberty."
>>>
>>> -- Benjamin Franklin
>>
>>
>> Perl is explicitly installed, "perl -v" identifies v5.26.3, and comes
>> from the standard Centos 8 repositories. So, I suspect your
>> interpretation doesn't fit the facts.
>> David K
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>> CentOS@xxxxxxxxxx
>> https://lists.centos.org/mailman/listinfo/centos
> Not seeing that here but it appears you are running newer versions of at
> least perl-DBD-MySQL, perl-DBD-SQLite and perl-DBI (snipped from "yum
> list installed" on my CentOS 8 VM after running "yum update"):
>
> perl-DBD-MySQL.x86_64Â Â Â Â Â Â Â Â Â Â Â Â
        4.023-6.el7 @anaconda
> perl-DBD-SQLite.x86_64Â Â Â Â Â Â Â Â Â Â Â Â
       1.39-3.el7 @anaconda
> perl-DBI.x86_64Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
           1.627-4.el7 @anaconda
>
> What repo are you pulling the listed packages from? Is it the same repo
> as for perl? I'm getting:
Maybe it's worth to have a look a yum.log to see what happened to perl in
the history of the installation?
Simon
Simon and others
Here's a very simple and hopefully reproducible test-case
Select as your boot ISO:
CentOS-8.1.1911-x86_64-dvd1.iso
Choose to reclaim all space on the disk
Choose 'Minimal Install' as the software selection
Connect yourself to the network (I use a wired connection)
Don't bother creating a user, just provide your root password.
complete the install.
After the reboot, issue as root:
yum -y install perl chrony perl-libwww-perl perl-App-cpanminus gcc
When that is complete, issue:
yum list installed >nul
and you get conflicting requests as follows:
----------------------------
Modular dependency problems:
Problem 1: conflicting requests
- nothing provides module(perl:5.26) needed by
module perl-App-cpanminus:1.7044:8010020191120175858:a9207fc6-0.x86_64
Problem 2: conflicting requests
- nothing provides module(perl:5.26) needed by
module perl-YAML:1.24:8010020191114031501:a5949e2e-0.x86_64
----------------------------
This doesn't seem like the expected results from a clean install.
No changes were made in the repo files as supplied on the boot disc.
David
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