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: > >>>> > >>>>  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-DBD-MySQL:4.046:8010020191114030811:073fa5fe-0.x86_64 > >>>>  Problem 3: conflicting requests > >>>>  - nothing provides module(perl:5.26) needed by module > >>>> perl-DBD-SQLite:1.58:8010020191114033549:073fa5fe-0.x86_64 > >>>>  Problem 4: conflicting requests > >>>>  - nothing provides module(perl:5.26) needed by module > >>>> perl-DBI:1.641:8010020191113222731:16b3ab4d-0.x86_64 > >>>>  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 > >> _______________________________________________ > >> CentOS mailing list > >> CentOS at centos.org > >> 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_64            >         4.023-6.el7 @anaconda > > perl-DBD-SQLite.x86_64            >        1.39-3.el7 @anaconda > > perl-DBI.x86_64               >            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