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 …
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. …
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 …
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. …
Replacing check_http by check_curl - Lessons Learned
Friday, July 28, 2023 in Insights
In a customer’s installation we had the problem, that an http-check (using the plugin check_http) could not successfully connect to a website. $ check_http -H cts-freq.cloud -t 120 --ssl -u "/" --ssl --onredirect follow -vvv CRITICAL - …