> **Note**
>
-> RHEL/CentOS 5 packages require the [EPEL repository](http://fedoraproject.org/wiki/EPEL)
-> enabled (which provides the `boost141` package). SLES 11 SP3 and older versions
-> require the `boost_1_54_0` package (available on http://packages.icinga.org).
+> The RHEL/CentOS 5 packages depend on packages which are distributed as part of
+> the [EPEL repository](http://fedoraproject.org/wiki/EPEL). Please make sure to
+> enable this repository.
You can install Icinga 2 by using your distribution's package manager
to install the `icinga2` package.
Name | Description
------------------------|--------------------------------
icinga2-ido-mysql | IDO provider module for MySQL
+ icinga2-ido-pgsql | IDO provider module for PostgreSQL
In case you're running a distribution for which Icinga 2 packages are
not yet available you will have to use the release tarball which you