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Hello,

I am installing the last version (22.04) open source of centreon but I encounter problems.


I'm going with a distributed architecture (1 central machine, 1 database and pollers).


All my VMs are freshly installed OS whose characteristics are as follows:

[root@sup-cent-01 ~]# cat /etc/centos-release
AlmaLinux release 8.6 (Sky Tiger)
[root@sup-cent-01 ~]# uname -m
x86_64
[root@sup-cent-01 ~]# uname -r
4.18.0-372.16.1.el8_6.x86_64
 

I want to install via packages, I followed this procedure:

https://docs.centreon.com/docs/installation/installation-of-a-central-server/using-packages/

 

My problem is that on the central, arrived at step (With a remote database / Run the following command on the Central server:) “dnf install -y centreon-central” I encounter these errors:

Last metadata expiration check: 0:44:21 ago on Wednesday 03 August 2022 09:27:07 AM CEST.
Error:
 Problem: package centreon-central-22.04.1-8.el8.noarch requires centreon-license-manager < 22.05.0, but none of the providers can be installed
  - package centreon-central-22.04.1-8.el8.noarch requires centreon-license-manager >= 22.04.0, but none of the providers can be installed
  - package centreon-license-manager-22.04.0-1.el8.noarch requires php-pecl-gnupg >= 1.5, but none of the providers can be installed
  - cannot install the best candidate for the job
  - package php-pecl-gnupg-1.5.0-1.el8.remi.7.2.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.0-1.el8.remi.7.3.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.0-1.el8.remi.7.4.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.0-1.el8.remi.8.0.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.0-2.el8.remi.8.1.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.1-1.el8.remi.7.2.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.1-1.el8.remi.7.3.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.1-1.el8.remi.7.4.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.1-1.el8.remi.8.0.x86_64 is filtered out by modular filtering
  - package php-pecl-gnupg-1.5.1-1.el8.remi.8.1.x86_64 is filtered out by modular filtering
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
 

I admit that I am neither an expert in centreon nor in linux and I wonder what I should do.
Maybe I should try to install an older version of centreon?

 

Thanks

Cordially

Hello @mc.gyver.reboot 

 

If you want to get started quickly I suggest to use the VM's provided by Centreon and these links

 

https://docs.centreon.com/docs/installation/installation-of-a-central-server/using-virtual-machines/

https://download.centreon.com/

 

You might also be interested in looking at the available architectures link to look for one that matches your setup

https://docs.centreon.com/docs/installation/architectures/#available-architectures

 

🤞

Hi @mc.gyver.reboot , I try this morning an installation on Centreon on Alma 8.6 following the documentation without problem.

Hello, @hmorales ,

In fact I know a little centreon (I'm not a pro but I have notions).
I currently have an installation with several thousand hosts (an old version under centos 6) that I need to migrate to a new infra. The current architecture is distributed and I want to continue to be in this configuration.
Unless I am mistaken, the packaged version of centreon does not allow (well at least with version 22.04 under alma) to create such an architecture, please correct me if I am wrong.

 

Thanks

@mc.gyver.reboot of course you can continue to install a distributed architecure:

And to migrate data from old Central server: https://docs.centreon.com/docs/migrate/introduction/

 

Regards,

@Laurent 

In fact I already follow these procedures (and I don't think I was wrong until now with the commands to type).
I am at the “Step 2: Installation” part, "With a remote database” and at the first command I have the problem (dnf install -y centreon-central)

https://docs.centreon.com/docs/installation/installation-of-a-central-server/using-packages/#step-2-installation

 

Basically I haven't done anything yet except to install the OS, install the repo (disable the security part)

 


Note that my version is apparently too old (v2.8) to switch to a modern version of ceontreon. I'm starting from scratch.

 

Thanks

@mc.gyver.reboot sorry I tried a central with database this morning, let me try with remote DB

@mc.gyver.reboot it’s work for me:

Installed:
  MariaDB-client-10.5.16-1.el8.x86_64                                                                  MariaDB-common-10.5.16-1.el8.x86_64
  MariaDB-shared-10.5.16-1.el8.x86_64                                                                  almalinux-logos-httpd-84.5-1.el8.noarch
  ...
  cairo-1.15.12-6.el8.x86_64                                                                           centreon-auto-discovery-server-22.04.0-1.el8.noarch
  centreon-broker-22.04.0-13.el8.x86_64                                                                centreon-broker-cbd-22.04.0-13.el8.x86_64
  centreon-broker-cbmod-22.04.0-13.el8.x86_64                                                          centreon-broker-core-22.04.0-13.el8.x86_64
  centreon-broker-storage-22.04.0-13.el8.x86_64                                                        centreon-central-22.04.2-2.el8.noarch
  centreon-clib-22.04.0-13.el8.x86_64                                                                  centreon-common-22.04.2-2.el8.noarch
  centreon-connector-22.04.0-13.el8.x86_64                                                             centreon-connector-perl-22.04.0-13.el8.x86_64
  centreon-connector-ssh-22.04.0-13.el8.x86_64                                                         centreon-engine-22.04.0-13.el8.x86_64
  centreon-engine-daemon-22.04.0-13.el8.x86_64                                                         centreon-engine-extcommands-22.04.0-13.el8.x86_64
  centreon-gorgone-22.04.0-9.el8.noarch                                                                centreon-gorgone-centreon-config-22.04.0-9.el8.noarch
  centreon-license-manager-22.04.0-1.el8.noarch                                                        centreon-license-manager-common-22.04.0-1.el8.noarch
  centreon-perl-libs-22.04.2-2.el8.noarch                                                              centreon-plugin-Applications-Databases-Mysql-20220727-130028.el8.noarch
  centreon-plugin-Applications-Monitoring-Centreon-Central-20220727-130028.el8.noarch                  centreon-plugin-Applications-Monitoring-Centreon-Database-20220727-130028.el8.noarch
  centreon-plugin-Applications-Monitoring-Centreon-Map4-Jmx-20220727-130028.el8.noarch                 centreon-plugin-Applications-Monitoring-Centreon-Poller-20220727-130028.el8.noarch
  centreon-plugin-Applications-Protocol-Dns-20220727-130028.el8.noarch                                 centreon-plugin-Applications-Protocol-Ftp-20220727-130028.el8.noarch
  centreon-plugin-Applications-Protocol-Http-20220727-130028.el8.noarch                                centreon-plugin-Applications-Protocol-Ldap-20220727-130028.el8.noarch
  centreon-plugin-Hardware-Printers-Generic-Snmp-20220727-130028.el8.noarch                            centreon-plugin-Hardware-Ups-Standard-Rfc1628-Snmp-20220727-130028.el8.noarch
  centreon-plugin-Network-Cisco-Standard-Snmp-20220727-130028.el8.noarch                               centreon-plugin-Operatingsystems-Linux-Snmp-20220727-130028.el8.noarch
  centreon-plugin-Operatingsystems-Windows-Snmp-20220727-130028.el8.noarch                             centreon-poller-22.04.2-2.el8.noarch
  centreon-pp-manager-22.04.0-2.el8.noarch                                                             centreon-trap-22.04.2-2.el8.noarch
  centreon-web-22.04.2-2.el8.noarch                                                                    centreon-widget-engine-status-22.04.0-5.el8.noarch
  centreon-widget-global-health-22.04.0-5.el8.noarch                                                   centreon-widget-graph-monitoring-22.04.0-5.el8.noarch
  centreon-widget-grid-map-22.04.0-5.el8.noarch                                                        centreon-widget-host-monitoring-22.04.0-5.el8.noarch
  centreon-widget-hostgroup-monitoring-22.04.0-5.el8.noarch                                            centreon-widget-httploader-22.04.0-5.el8.noarch
  centreon-widget-live-top10-cpu-usage-22.04.0-5.el8.noarch                                            centreon-widget-live-top10-memory-usage-22.04.0-5.el8.noarch
  centreon-widget-service-monitoring-22.04.0-5.el8.noarch                                              centreon-widget-servicegroup-monitoring-22.04.0-5.el8.noarch
  centreon-widget-single-metric-22.04.0-5.el8.noarch                                                   centreon-widget-tactical-overview-22.04.0-5.el8.noarch
  ...
  php-pecl-gnupg-1.5.1-1.el8.remi.8.0.x86_64                                                           php-pecl-zip-1.21.0-3.el8.remi.8.0.x86_64
  php-process-8.0.22-1.el8.remi.x86_64                                                                 php-snmp-8.0.22-1.el8.remi.x86_64
  php-sourceguardian-loader-8.0-1.el8.x86_64                                                           pixman-0.38.4-2.el8.x86_64
  ...

Complete!

 

Can you try to execute again the following 2 commands:

dnf module reset php
dnf module install php:remi-8.0

 

A huge thank you @Laurent  !
I was able to solve the problem with the commands:

dnf module reset php
dnf module install php:remi-8.0

Having VM I have made several attempts, it turns out that following the installation of the centreon-release package I cannot launch my installation command for centreon.

If I repeat the commands below after installing the centreon-release package, it's OK.

dnf module reset php
dnf module install php:remi-8.0

 

Hi, I encounter the same problem on a RHEL 8 provided by our system team (so with a specific configuration of repositories to use an internal one).

After I executed the two dnf module commands I’m still unable to install the centreon-central package :

Error:
 Problem: package centreon-pp-manager-22.10.0-6.el8.noarch requires php-sourceguardian-loader >= 8.1, but none of the providers can be installed
  - package centreon-central-22.10.4-1.el8.noarch requires centreon-pp-manager < 22.11.0, but none of the providers can be installed
  - package centreon-central-22.10.4-1.el8.noarch requires centreon-pp-manager >= 22.10.0, but none of the providers can be installed
  - package php-sourceguardian-loader-8.1-1.el8.x86_64 requires php-common >= 8.1, but none of the providers can be installed
  - cannot install the best candidate for the job
  - package php-common-8.1.13-1.el8.remi.x86_64 is filtered out by modular filtering
  - package php-common-8.1.14-1.el8.remi.x86_64 is filtered out by modular filtering
  - package php-common-8.2.0-1.el8.remi.x86_64 is filtered out by modular filtering
  - package php-common-8.2.1-1.el8.remi.x86_64 is filtered out by modular filtering

Any idea?

OK after I “dnf module reset php”, then “dnf module install php:remi-8.1”

I’m not sur if installing “php:remi-8.1” instead of “php:remi-8.2” was the right choice, any hints?

Hi Centreon is not yet compatible avec PHP 8.2, so use 8.1

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