[Release] Checkmk stable release 2.2.0

Dear friends of Checkmk,

the new stable release 2.2.0 of Checkmk is ready for download.
We are proud to bring you the new Checkmk 2.2.0 release, with major improvements to future-proof your IT monitoring.

Take a look at our latest version page to learn more about Checkmk 2.2.0:

Checkmk 2.2.0 will also come with a new edition and changes to the existing editions:

  • Checkmk Cloud Edition - A new edition focused on cloud and hybrid setups with additional checks for the cloud and a push agent
  • Checkmk Free Edition - This edition is merged into the Checkmk Cloud Edition, which includes a free tier for up to 750 services. If you have been using the Checkmk Free Edition, please upgrade to the Checkmk Cloud Edition.
  • Checkmk Enterprise/Cloud Edition Trial - The trial is now included in the Checkmk Cloud Edition. For the first 30 days you can test all features of this edition.

Before updating, we recommend reading the 2.2.0 update guide:

Additionally, we wanted to let you know that we have added articles dedicated to the new major features to our user manual. Here you can find some articles that are relevant for new features of 2.2.0:

Changes in all Checkmk Editions:

Checks & agents:

  • 15848 FIX: mk_oracle: Fix asynchronous execution on systemd systems and direct call from the command lineā€¦
  • 15849 FIX: Filesystem checks: Avoid crash if device reports negative free spaceā€¦
  • 15614 FIX: omd_diskusage: Do not Report Usage Upon Missing Permissionā€¦

HW/SW inventory:

  • 15396 FIX: HW/SW Inventory: Do not filter tree before delta tree computationā€¦


  • 15825 FIX: ā€˜effective_attributesā€™ now uses the same format as ā€˜attributesā€™ in ā€˜show hostā€™ and ā€˜show all hostsā€™ endpointsā€¦

Site management:

  • 15563 FIX: Add missing perl-lib to almalinux9
  • 15561 FIX: Use system mod_auth_mellon under RHEL 9ā€¦

User interface:

  • 15076 FIX: Shorten inventory filter titles

Changes in the Checkmk Enterprise Edition:


Changes in the Checkmk Cloud Edition:


Changes in the Checkmk Managed Services Edition:


You can download Checkmk from our download page: Download Checkmk for free | Checkmk

List of all changes: Werks

Please mail bug reports and qualified feedback to feedback-2.2-beta@checkmk.com.
We greatly thank you for using Checkmk and wish you a successful monitoring,

Your Checkmk Team