The Icinga developers decided to not make the icinga2 packages publicly available for Enterprise Linux (EL) distributions in version 9.
For EL distributions in version 7 and 8 free access to packages is available via the respective repositories.
This has been changed and instead users have now the possibility to purchase a subscription to gain access to the repository for the EL9 packages.

The packages can be build from source though and Freedom-for-Icinga.com makes these packages available through a public repository.
See the install page to learn more.


Install Icinga 2 on Enterpise Linux 9 distributions

Add the free Icinga Package Repository

rpm --import https://packages.freedom-for-icinga.com/free-icinga.key
curl https://packages.freedom-for-icinga.com/epel/FREE-ICINGA-release.repo -o /etc/yum.repos.d/FREE-ICINGA-release.repo

The packages depend on other packages which are distributed as part of the EPEL repository:
dnf install epel-release

Install Icinga 2

You can use your distribution’s package manager to install the icinga2 package.
The following commands must be executed with root permissions unless noted otherwise.

dnf install icinga2
systemctl enable icinga2
systemctl start icinga2


An insight into the process of how the packages are build.

Choose a host with an installed Enterprise Linux 9 distribution, e.g. Red Hat Enterprise Linux 9, Rocky Linux 9, Almalinux 9.

Install some required packages.
sudo dnf -y install git-core mock

Add the current user to the mock group.
sudo usermod -a -G mock $USER

Logout the system and log back in.

Download the desired version release from
curl -LO https://github.com/Icinga/icinga2/archive/refs/tags/v2.13.7.tar.gz

And the corresponding specification file.
curl -LO https://git.icinga.com/packaging/rpm-icinga2/-/raw/2.13.5-1/icinga2.spec

In case the specification file is not available in the latest version, download an earlier version and edit the file content to change the version definition.
e.g. "Version: 2.13.5" to "Version: 2.13.7"

Build the source rpm file.
mock --dnf --clean --spec icinga2.spec --sources=. --result=result --build

This should generate a source rpm file with the name based on the system, e.g.

Build the binary rpm package files based on the generated source rpm file.
mock --dnf --clean --sources=. --result=result --rebuild result/icinga2-2.13.7-1.el9.src.rpm

This results in multiple rpm files within the "result" directory which can be published via a public repository and then installed on other systems.

See a complete list with instructions for every icinga2 package, e.g. icingaweb2, icingadb-redis etc.



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