[Release] Checkmk stable release 2.1.0p10

Dear friends of Checkmk,

the new stable release 2.1.0p10 of Checkmk is ready for download.

This maintenance release ships with 49 changes affecting all editions of Checkmk,
10 Enterprise Edition specific changes and 0 Managed Services Edition specific changes.

Support periods can be found here: Checkmk versions

Changes in all Checkmk Editions:

Agent bakery:

  • 14715 Agent controller: Do not verify TLS certificates by default when querying the agent receiver port from Checkmk REST API
  • 13426 agent_ucs_bladecenter can now handle HyperFlex Server
  • 14548 FIX: mk_logwatch: Make agent plugin executable under Python 2
  • 14529 FIX: AWS special agent: improve performance for lambda functions data fetch
  • 14714 FIX: Agent controller: Respect –detect-proxy when querying port from Checkmk REST API
  • 13425 FIX: Execute local checks in openwrt agent
  • 14711 FIX: OpenBSD agent: Fix computation of free memory
  • 14669 FIX: fix netstat parsing on OpenBSD agent

Checks & agents:

  • 14661 Add support for Cet Power Equipment UPS
  • 14668 VMware ESX, query esxi host inventory via vsphere server
  • 14414 added support for more lexmark printers
  • 14692 esx_vsphere_datastores: Used provisioned space added to details
  • 14713 FIX: graylog_failures: Fix crash with JSONDecodeError
  • 14549 FIX: mongodb_collections, mongodb_replica_set: Fix date parsing error
  • 14547 FIX: systemd_units: Fix error when parsing incomplete data
  • 14149 FIX: Crash: Clustered services using predefined cluster modes
  • 14640 FIX: Fix unexpected stale services for builtin cluster modes
  • 14641 FIX: Fix unexpected warning state of services for builtin cluster modes
  • 14662 FIX: Meinberg fan state status is fixed
  • 14644 FIX: Missing services in “State of Multipathing on Linux”
  • 14359 FIX: Windows agent correctly determines max size of the log file
  • 14643 FIX: emc_vplex_{volumes,director_stats}: Fix defunct plugins
  • 14665 FIX: md checks works with single disk raid
  • 14691 FIX: pandacom_psu: Fix crash with missing PSU type
  • 14646 FIX: printer_alerts: Do not crash upon newline in alert description
  • 14645 FIX: storcli_physical_disks: Crash upon unknown failure count
  • 14503 FIX: ups_test: crash with KeyError (0)

Core & setup:

  • 14481 SEC: Dependency updates

Event console:

  • 14681 FIX: Fixed activation of event console log levels


  • 14682 FIX: Guard Livestatus against Nagios custom variables with an empty value.

Metrics system:

  • 14666 FIX: ps - Size per processes: Change graph visual display order


  • 14659 downtime: improvement of code example for show downtimes endpoint
  • 14670 FIX: REST API returns correct WATO Rule values


  • 14168 Activate changes: Added additional central site hook: post-snapshop-creation
  • 14465 FIX: Fix rule match analyse for hosts
  • 14658 FIX: dcd config: fix save mechanism for checkbox based host attribute tags

Site management:

  • 14290 FIX: Improve ‘omd update’ apache config handling

User interface:

  • 14167 Improved loading times of user configured graphs/views/dashboards/reports
  • 14489 UI: Open PDFs in new tab
  • 14721 FIX: Crash using the cmk_site_statistics (core PIDs) filter
  • 14147 FIX: Disappearing sections in “Edit role” view
  • 14468 FIX: Extension packages: Fix error on usage of “mkp show”
  • 14466 FIX: Fix ValueError on usage of empty service level filter
  • 14492 FIX: Fix autocompletion in ‘Move to other folder’ dropdown
  • 14470 FIX: Fix host label search in monitoring search and quicksearch
  • 14464 FIX: Fix reset of “Tree of folders” snapin
  • 14467 FIX: LDAP: Fix name conflict if new connector is used
  • 12523 FIX: Mega menu: Fix ‘Show all topics’ button in search
  • 14150 FIX: Traceback in “Percentage of total service problems” dashlet with missing monitoring data

Changes in the Checkmk Enterprise Edition:

Agent bakery:

  • 14550 FIX: mk_logwatch via bakery: Add APPEND option for message classification
  • 14607 FIX: cmk_update_agent: Fix fetching root certificates from server
    NOTE: Please refer to the migration notes!

Checks & agents:

  • 14605 FIX: windows_updates: correctly evaluate ruleset

Core & setup:

  • 13915 FIX: Wait 30 s between failed attempts to connect to InfluxDB
  • 13914 FIX: Escape semicolon in log entries
    NOTE: Please refer to the migration notes!

Reporting & availability:

  • 14472 FIX: Fix TypeError on scheduled report execution
  • 14471 FIX: Fix possible AttributeError on report rendering


  • 14606 Agent Bakery: Optionally log to dedicated logfile

The Checkmk Micro Core:

  • 14490 Warn user when number of checkers exceeds number of available CPUs
  • 14608 FIX: Agent Bakery: Stabilize bake & sign

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

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