[Release] Checkmk beta release 2.0.0b5

Dear friends of Checkmk,

the new beta release 2.0.0b5 of Checkmk is ready for download.

We are excited to continue the beta phase of Checkmk 2.0 with Checkmk 2.0.0b5.

With Version 2.0 among many new features, we will be introducing a new user
interface and user experience. While most features are already included in the
beta release, we are still tuning several aspects, especially of the UX.

We are very interested in your feedback on the new UX and would therefore
appreciate it if you would take some time (~15 min) to give us your feedback:

Please send general feedback, feedback on the new user experience, and bug
reports to this dedicated mail address:

feedback-2.0 at checkmk.com

All mails to this address will be used to improve the 2.0 and are completely
free of charge.

This test release ships with 51 changes affecing all editions of Checkmk,
6 Enterprise Edition specific changes and 0 Managed Services Edition specific changes.

This release will be in active maintenance until 2021-02-27.
The passive maintenance will be until 2021-03-29. For details take
a look at the Checkmk versions chapter of the Checkmk handbook.

Changes in all Checkmk Editions:

Checks & agents:

  • 11841 Windows agent’s Python module supports now Windows Server 2012 and Windows 8
  • 11834 cmk_site_statistics: new check plugin to monitor site statistics
  • 11874 FIX: Linux agent: Fix execution of cached plugins (2.0.0b4 regression)
  • 11894 FIX: “Disabled and enabled sections (SNMP)” not effective
  • 11973 FIX: Be more precise if include files are missing
  • 11928 FIX: Crash: When service goes Crit or Warn but the respective level is not defined (None)
  • 11896 FIX: Improve detailed service view
  • 11875 FIX: Linux agent: Fix random broken pipe error in agent output
  • 11932 FIX: Logwatch: Logfile patterns not working as intended
  • 11998 FIX: Permission error for unreadable certificates
  • 11888 FIX: Rename SNMP section ruleset
  • 11840 FIX: Windows agent removes own Windows Firewall rule after uninstall
  • 11890 FIX: acp_ats_output: Fix discovery of services
  • 11994 FIX: aruba_cpu_util: UNKNOWN state if cpu utilization is zero
  • 11527 FIX: check_mk: Fix missing info about Checkmk agent version in HW/SW Inventory System and Support Diagnostics
  • 11829 FIX: esx_vsphere_counters_diskio: IOPS
  • 11947 FIX: fileinfo: SAP HANA files shown as WARN if jointly monitored with other files
  • 11704 FIX: ibm_mq: Various bugfixes
  • 11525 FIX: lnx_if: Treat only interfaces with UP and LOWER_UP (bracket info from ip address) as UP
  • 11996 FIX: mem: remove pointless metrics for LXC containers
  • 11997 FIX: mk_docker.py: Handle parallel calls of the plugin
  • 11892 FIX: mk_errpt.aix: Crash upon non-existing mv option
  • 11893 FIX: mk_errpt.aix: avoid escaping issues when ‘/’ is in errpts output
  • 11784 FIX: mpre check missing handling for ‘U’ value in Nagios performance data
  • 11745 FIX: mssql_counters.file_sizes: convert all performance data to bytes
  • 11746 FIX: mssql_counters.file_sizes: return performance data for warn/crit values in bytes
  • 11895 FIX: omd_info: only create host label ‘cmk/check_mk_server:yes’ if sites are present
  • 11889 FIX: tcp_conn_stats: Missing data for datapower devices

Core & setup:

  • 11967 FIX: REST API: fixing password get endpoint
  • 11968 FIX: REST API: restricting host tag group id to the same pattern as in WATO
  • 11868 FIX: mkbackup: Fix permission issues when backing up different sites

Event console:

  • 11744 FIX: support case-insensitive hostname matching for multiple host match types

Linux distributions:

  • 11957 Dropping support Ubuntu 19.10
    NOTE: Please refer to the migration notes!


  • 11833 FIX: Pagerduty notifications: HTTP 400, “‘payload.source’ is missing or blank”

Other components:

  • 10320 Enable SAML athentication

Reporting & availability:

  • 11835 Remove options to change foreground, background, canvas color of graphs


  • 11995 FIX: Availablity: GUI crash if timeline is displayed in table
  • 11872 FIX: Edit tag groups: Extend size of tag ID and title input fields
  • 11870 FIX: Extension packages: Be more robust against broken packages
  • 11873 FIX: Fix exception caused by custom host attributes when saving host changes
  • 11972 FIX: Missing DCD connections
  • 11930 FIX: Pattern Analyzer: Fix broken link to edit rules
  • 11887 FIX: Rename Linux agent section ruleset
  • 11886 FIX: Rename Windows agent section rulesets

User interface:

  • 11914 Remove ‘Individual program call’ option from connection tests page
  • 11876 FIX: Dashboard: Prevent exception when trying to copy view to dashboard
  • 11919 FIX: Fix closing popup on host deletion
  • 11918 FIX: Fix default value of “Number of columns” in display options of views
  • 11915 FIX: Fix error messages on check plugin page if check or catalog entry is missing
  • 11920 FIX: Fix preview selection of folders while moving
  • 10613 FIX: Service discovery: Make the ‘Add missing, remove vanished’ action responsive to checkboxes

Changes in the Checkmk Enterprise Edition:

Agent bakery:

  • 11721 Allow additional tags for baked RPM agent packages

Dynamic host configuration:

  • 11891 FIX: Inform remote site when a DCD Connection is moved somewhere else

Inline SNMP:

  • 11929 FIX: Change Inline SNMP Backend back to NetSNMP
  • 11931 FIX: PySNMP: Increase performance when creating core config

User interface:

  • 11916 FIX: Fix adding of graphs to custom graphs or graph collections
  • 11921 FIX: Fix title of sla columns in view configuration

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


" * 11874 FIX: Linux agent: Fix execution of cached plugins (2.0.0b4 regression)"

And compared to 2.0.0b4 it has a huge performance boost :slight_smile: At least in my setup.

Hi, do you plan to support xmatters ? Thanks!