[Release] Checkmk beta release 2.1.0b4

Dear friends of Checkmk,

the new beta release 2.1.0b4 of Checkmk is ready for download.

This test release ships with 9 changes affecting all editions of Checkmk,
2 Enterprise Edition specific changes and 0 Managed Services Edition specific changes.

This release will be in active maintenance until 2022-04-29.
The passive maintenance will be until 2022-05-29. For details take
a look at the Checkmk versions chapter of the Checkmk handbook.

Changes in all Checkmk Editions:

Checks & agents:

  • 13826 logwatch plugin - Add the option to filter out consecutive duplicate lines
  • 13837 FIX: Linux interface bonding: wrong MAC address for bonded interfaces
  • 13676 FIX: postgres_stat_database: Support DBs named with numbers only

Core & setup:

  • 13641 FIX: Fix ‘ValueError: MAC check failed’ error in “Rewriting rulesets” phase of update

Linux distributions:

  • 13870 FIX: InfluxDB: Fix connection for remote sites
    NOTE: Please refer to the migration notes!


  • 13886 Improved performance of various Livestatus queries


  • 13868 FIX: Fix missing graphs in notifications


  • 13819 FIX: Update of Windows update checkplugin and rulespec
    NOTE: Please refer to the migration notes!

User interface:

  • 13867 FIX: Fix update preview of bulk import of hosts

Changes in the Checkmk Enterprise Edition:

Agent bakery:

  • 13135 fileinfo: Make agent rule available for Solaris and AIX

User interface:

  • 13395 FIX: Site overview dashlet: Remove service filters

Changes in the Checkmk Managed Services Edition:

You can download Checkmk from our download page:

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

Your Checkmk Team