Posts in 2025
  • Duplicate users in the Grafana database

    Monday, February 10, 2025 in Insights

    This issue occurred on an OMD 5.40 system running Grafana 10.4.2. A customer reported that embedded Grafana panels in the Service Detail View of Thruk were not working. Instead of a graph, they were presented with the Grafana login page. In the …

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  • Replacing NSClient++: A Comparison of Current Alternatives

    Monday, January 13, 2025 in Insights

    Many of you have probably wondered how to best replace NSClient++ with a modern tool. René Gau from ASFINAG has written a bachelor’s thesis on this very topic, providing a detailed analysis of the pros and cons of the most relevant alternatives. …

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  • missing perl module Digest::SHA1 under Rocky 9

    Friday, January 10, 2025 in Insights

    Some of you might have followed the instructions at https://labs.consol.de/repo/testing/#_9 to install the labs.consol.de repository. If you’re using a minimal setup of Rocky Linux 9, you might encounter this error message: # yum install …

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Posts in 2024
  • Removing old Naemon logfiles

    Wednesday, June 05, 2024 in Insights

    In an OMD environment Naemon writes its logfile to var/naemon/naemon.log. At midnight a logrotate job moves the logfile to the folder var/naemon/archive, renaming naemon.log to naemon.log-YYYMMDD. By default none of the archived logs is ever deleted. …

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Posts in 2023