Hello,
Do you have the CodeReady Builder repository enabled ?
 
Regards,
itoussies.
                
     
                                    
            Hi, itoussies
yes i do,
note that i am installing from an artifactory jfrog private repo proxiing official repos.
 
 
                
     
                                    
            Can you provide the result of the following command ?
dnf info perl-JSON-XS
 
Regards,
itoussies
                
     
                                    
            Hello itoussies,
Thank you so much for your help.
Her you are and a bit more ….
 
[root@VSRV1-CMN-MON ~]# /usr/bin/crb enable
Enabling CRB repo
This system has no repositories available through subscriptions.
CRB repo is enabled and named: internal-ubi-8.4-for-x86_64-codeready-builder-rpms
>>>>>>>>>>>>>
[root@VSRV1-CMN-MON bin]# dnf info perl-JSON-XS
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered with an entitlement server. You can use subscription-manager to register.
Last metadata expiration check: 0:02:19 ago on Mon 09 Jan 2023 02:13:38 PM UTC.
Installed Packages
Name         : perl-JSON-XS
Epoch        : 1
Version      : 3.04
Release      : 3.el8
Architecture : x86_64
Size         : 257 k
Source       : perl-JSON-XS-3.04-3.el8.src.rpm
Repository   : @System
From repo    : @commandline
Summary      : JSON serializing/de-serializing, done correctly and fast
URL          : http://search.cpan.org/dist/JSON-XS/
License      : GPL+ or Artistic
Description  : This module converts Perl data structures to JSON and vice versa. Its
             : primary goal is to be correct and its secondary goal is to be fast. To
             : reach the latter goal it was written in C.
[root@VSRV1-CMN-MON bin]# ./crb status
CRB repo is enabled and named: internal-ubi-8.4-for-x86_64-codeready-builder-rpms
[root@VSRV1-CMN-MON bin]# yum info perl
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered with an entitlement server. You can use subscription-manager to register.
Last metadata expiration check: 0:04:51 ago on Mon 09 Jan 2023 02:13:38 PM UTC.
Installed Packages
Name         : perl
Epoch        : 4
Version      : 5.26.3
Release      : 421.el8
Architecture : x86_64
Size         : 0.0
Source       : perl-5.26.3-421.el8.src.rpm
Repository   : @System
From repo    : internal-rhel-8-for-x86_64-appstream-rpms
Summary      : Practical Extraction and Report Language
URL          : http://www.perl.org/
License      : GPL+ or Artistic
Description  : Perl is a high-level programming language with roots in C, sed, awk and shell
             : scripting. Perl is good at handling processes and files, and is especially
             : good at handling text. Perl's hallmarks are practicality and efficiency.
             : While it is used to do a lot of different things, Perl's most common
             : applications are system administration utilities and web programming.
             :
             : This is a metapackage with all the Perl bits and core modules that can be
             : found in the upstream tarball from perl.org.
             :
             : If you need only a specific feature, you can install a specific package
             : instead. E.g. to handle Perl scripts with /usr/bin/perl interpreter,
             : install perl-interpreter package. See perl-interpreter description for more
             : details on the Perl decomposition into packages.
regards, Thill
 
                
     
                                    
            Hello,
blocking with :
dnf install centreon
Last metadata expiration check: 0:25:54 ago on Fri 13 Jan 2023 01:52:22 PM UTC.
Error:
 Problem: package centreon-22.10.2-12.el8.noarch requires centreon-central = 22.10.2-12.el8, but none of the providers can be installed
  - package centreon-central-22.10.2-12.el8.noarch requires centreon-poller = 22.10.2-12.el8, but none of the providers can be installed
  - package centreon-poller-22.10.0-14.el8.noarch requires centreon-plugin-Operatingsystems-Windows-Snmp, but none of the providers can be installed
  - package centreon-poller-22.10.1-4.el8.noarch requires centreon-plugin-Operatingsystems-Windows-Snmp, but none of the providers can be installed
  - package centreon-poller-22.10.2-12.el8.noarch requires centreon-plugin-Operatingsystems-Windows-Snmp, but none of the providers can be installed
  - cannot install the best candidate for the job
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20211215-090334.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20220113-084434.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20220518-070245.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20220616-070150.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20220616-095752.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20220718-113121.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20220727-130028.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20220913-081426.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20221017-094659.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20221115-095034.el8.noarch
  - nothing provides perl(DateTime) needed by centreon-plugin-Operatingsystems-Windows-Snmp-20221215-102705.el8.noarch
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
Any idea ?
Many thanks for your hep