Monitoring Blog
This is the blog section. It has two categories: News and Releases.
Files in these directories will be listed in reverse chronological order.
OMD 5.70 was released
Thursday, April 16, 2026 in Releases
A new version of OMD was released. Changelog OMD: add build support for debian 13 / trixie add build support for ubuntu 26.04 / resolute raccoon add build support for opensuse leap 16.0 drop build support for debian 11 drop build support for ubuntu …
Labs Repository GPG Key Rotation
Monday, April 13, 2026 in Insights
Starting on April 13 2026 all .deb and .rpm files in the labs repository will use the monitoring-repo-consol-de-gpg-2026.asc instead of the old GPG-KEY-4096 or RPM-GPG-KEY keys. For consistency all existing rpm and deb files have been resigned to use …
Monitoring vSphere cluster health with check_vsphere
Wednesday, April 01, 2026 in Insights
What’s new? The cluster-health command in check_vsphere looks at the members of a vSphere cluster, checks their state and decides whether the whole cluster is healthy. By default it treats nodes that are disconnected or in maintenance as …
Reliable RKE2 Certificate Expiry Alerts for Clusters Managed by SUSE Rancher
Tuesday, March 24, 2026 in Insights
This shows how to combine Kubernetes Events and Rancher Metadata for precise, actionable alerting. Alert ManagedClusterRKE2ExpiringCertificates SUSE Rancher provides an RKE2 cluster management platform for application teams. As an infrastructure team …
Using check_sap_health with SNC
Tuesday, December 02, 2025 in Insights
To use check_sap_health with SNC (Secure Network Communication), you need to install the SAP NetWeaver RFC SDK and the SAP Cryptographic Library, along with the Perl module sapnwrfc. This guide walks you through the complete setup process within an …
A Brief Overview Of The check_vsphere Plugin
Tuesday, November 18, 2025 in Insights
What is it? check_vsphere is a plugin for Naemon, Icinga, and Nagios-compatible systems. It checks various aspects of VMwareBroadcom vCenter or ESX hosts. For a long time, this was done using check_vmware_esx.pl or check_esx.pl. However, Broadcom …
OMD Labs Edition Not Affected by Recent Nagios XI Vulnerabilities
Tuesday, November 04, 2025 in Insights
OMD Labs Edition Not Affected by Recent Nagios XI Vulnerabilities Several vulnerabilities were recently disclosed in Nagios XI: CVE-2025-34286 – Remote Code Execution in the Core Config Manager (CCM) CVE-2025-34284 – Command Injection in the WinRM …
Labs Repository GPG Key Rotation
Thursday, August 21, 2025 in Insights
Outdated This news is outdated and superseded by the key rotation from April 2026. Key Rotation Starting on August 18 2025 all .deb and .rpm files in the labs repository will use the GPG-KEY-4096 instead of the old RPM-GPG-KEY. For consistency all …
Tunnel SSH into an OMD server. Proof of Concept
Thursday, July 31, 2025 in Insights
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Tunneling SSH over WebSocket with GOST in an OMD server: In this blog post, we’ll walk through a proof-of-concept (POC) setup for tunneling SSH traffic over WebSocket using the GOST tool. This configuration runs inside an OMD (Open Monitoring …
Coshsh can keep a secret
Thursday, July 17, 2025 in Insights
Coshsh, as a generator for monitoring config files, needs to know which hosts and applications make up an enterprise’s IT landscape. Usually, it fetches this information by querying a CMDB’s API. Access is typically granted by presenting …