What are Operators in Kubernetes? Operators are like software extensions to the API server, which provide additional functionalities in Kubernetes. They automate the whole lifecycle of the software they control,...
What is Icinga? Icinga is an open-source monitoring system that checks the availability of network resources, notifies users of problems that occur, and aggregates data for effective reporting. Icinga is...
What do we call an incident in the world of IT? We classify an incident as an unexpected event that may cause an interruption of service, operation, or feature, thereby...
Set up Check Oracle Health This tutorial explains how to set up Check Oracle Health: check_oracle_health script (credits to Gerhard Lausser) to work on your Nagios environment on CentOS (or...
What is Icinga2? The Icinga2 configuration options are rich and provide you with a lot of ways to reuse what you already have. They serve well, but once your monitoring...
What is Icinga2? Icinga2 is a great tool built upon the foundation of the well-known Nagios monitoring, inheritingall the pros it has to offer. With many plugins available in your repository and thousands...
Backup is an essential part of IT infrastructure management. Having HA solutions, RAIDs, etc. doesn’t free you from the need for backup. In case of a human error all those...
In my previous blog post, I was discussing how to monitor RabbitMQ as a centralized message Q of OpenStack. Well, that’s quite important but the end goal of having a cloud...
