1. Introduction
This document lists the platforms and integrations supported by Checkmk 2.4.0. Except for very specific reasons (e.g. security), these platforms, including all patch versions will remain supported through active maintenance during the Checkmk 2.4.0 product lifecycle.
2. Server OS
Checkmk can be installed on the following Linux server operating system distributions and versions, that run on x86_64 hardware. To get a rough estimate of the hardware requirements, please visit the similarly named page within the Checkmk website. In this article you will find a complete list of supported operating systems and their versions. Entries may contain the following additions:
Deprecated: LTS/LTSS versions marked in this way are still supported for the entire life cycle of version 2.4.0. Support will be ceased afterwards.
Once released: Support for these versions is planned. Checkmk 2.4.0 packages will be made available shortly after the release of the new distribution version.
We will additionally evaluate any new versions of these distributions as a part of our ongoing support process. These will be covered in the update matrix.
| Operating system | Supported versions | Supported since Checkmk version |
|---|---|---|
Debian |
11 Bullseye (deprecated) |
2.4.0 |
12 Bookworm | ||
13 Trixie |
2.4.0p16 |
|
Red Hat Enterprise Linux |
8 |
2.4.0 |
9 | ||
10 |
2.4.0p16 |
|
SUSE Linux Enterprise Server |
15 SP3 (deprecated) |
2.4.0 |
15 SP4 (deprecated) | ||
15 SP5 | ||
15 SP6 | ||
15 SP7 |
2.4.0p16 |
|
16 |
(once released) |
|
Ubuntu |
22.04 LTS Jammy Jellyfish |
2.4.0 |
24.04 LTS Noble Numbat | ||
26.04 LTS Resolute Raccoon |
(once released) |
3. Browser
The Checkmk user interface has been verified as able to be run on the following desktop browsers and minimum versions:
Google Chrome >= 125 on Windows, Linux and macOS
Firefox >= 133 on Windows, Linux and macOS
Microsoft Edge >= 131 on Windows
Safari >= 18.1 on macOS
The Checkmk mobile user interface has been verified to run on the following mobile browsers:
Safari on iPadOS/iPhoneOS (current and last major OS release)
Google Chrome on Android (current and last major OS release)
4. OS for the Checkmk agent
The Checkmk agent can be installed and run on the following operating systems if the OS meets some basic requirements.
4.1. Linux/Unix
All Linux distributions and various Unix operating systems such as Solaris and AIX are supported, provided they have at least the following technical components in the minimum version:
Bash >= 4.2
ksh >= 93
Perl >= 5.14.0
Additionally, one of the following components needs to be present:
systemd >= 219
xinetd (no minimal version)
Be aware: Plug-ins may require a specific version of additional components to be functional. Python plug-ins require version 2.7 or > 3.5.
4.2. Windows
All 64-bit versions of the following Windows operating system releases are supported:
2016
2019
2022
2025
For older releases, we provide a legacy agent with a limited feature set and without official support.
5. Grafana plug-in
Checkmk 2.4.0 supports the following Grafana plug-in versions:
>= 3.0.0
6. Checkmk Appliance
Checkmk 2.4.0 can run on the following versions of the Checkmk Appliance:
>= 1.7.0
7. LDAP server
With LDAP Checkmk 2.4.0 supports synchronization of the following LDAP servers:
Microsoft Active Directory
OpenLDAP
389 Directory Server
8. SAML IdP
The SAML integration supports the following Identity Providers (IdPs):
Microsoft Entra ID (called Azure Active Directory until 2023)
Google Cloud
Okta
Checkmk may work with other SAML integrations as well, but no support can be given for these.
9. ntopng
The ntopng integration supports the following versions of ntopng Professional and Enterprise:
>= 6.0
10. Nagvis
Nagvis depends on PHP and requires a minimum version to run. To run Nagvis, make sure to have a matching version of PHP in your installation:
>= 7.2
Depending on the Linux distribution used, the version defined as a dependency of the Checkmk installation package may be higher.
11. InfluxDB
Checkmk supports the export of data to the following version of the InfluxDB API:
2
12. Change log
12.1. Corrections
17-Feb-2025
After testing, Windows 2025 was added to the list of supported operating systems for agents.
26-Nov-2025
The list of supported Linux operating systems has been updated and the table column "Supported since Checkmk version" has been added:
Ubuntu 24.04 LTS Noble Numbat is supported since Checkmk version 2.4.0.
SUSE Linux Enterprise Server (SLES) 15 SP6 is supported since Checkmk version 2.4.0.
SUSE Linux Enterprise Server (SLES) 15 SP7 is supported since Checkmk version 2.4.0p16.
Debian 13 Trixie is supported since Checkmk version 2.4.0p16.
Red Hat Enterprise Linux 10 (RHEL 10) is supported since Checkmk version 2.4.0p16.
04-Dec-2025
The version of the supported InfluxDB API has been updated.