The fundamentals of Icinga 2 are check plugins. They are being executed and their return value is mapped to either Host or Service objects. Everything else follows on top. These check plugins can be...
How to do Agentless Monitoring with check_by_ssh
The fundamentals of Icinga 2 are check plugins. They are being executed and their return value is mapped to either Host or Service objects. Everything else follows on top. These check plugins can be...
Monitoring the Monitoring: Demystifying the Icinga DB Health Check
In this post we will take a look at the icingadb check command built into Icinga 2 for monitoring the health of Icinga DB. If you have already configured it, this blog post will give you some insights on what it actually checks, otherwise, it showcases what useful...
Icinga Notifications – How to Set Up Desktop Alerts
We recently released the beta version of our Notification Web Module, which includes a cool feature that is not yet known to everyone. We named it Desktop Notifications (Browser Push Notifications). With this feature enabled, your browser can send you instant...
Docker: Secure, but comfortable images.
While developing Docker images for Icinga 2, Icinga Web 2 and Icinga DB we stumbled over OpenShift which doesn’t allow images to run as root by default. One has to enable that explicitly. Also admins of K8s environments being more permissive by default may decide not...
Build your own Icinga Module
Building your own Icinga Module sounds like a big challenge, but is it really that hard? A look behind the scenes reveals that it's actually not as complicated as it sounds. But first things first: Why would you even want to create your own Module? It's fairly easy to...
Icinga DSL: A couple of (unconventional) examples
Today I will show you a couple of out of field useful functions from the Icinga DSL I use when creating some testing configurations for Icinga 2. Using the Icinga DSL is easy, quick and a good way of testing and validating your Icinga setup. Icinga 2 console...
Rule based monitoring with Icinga apply rules
Apply rules simplifies creation of objects like Service, Notification, Dependency, ScheduleDowntime which require object relation. In this blog post we will understand rule based monitoring with Icinga apply rules with examples. Requirement: Icinga 2 and Icinga Web 2...
Setting up Graphite from Scratch on Icinga Web 2
Introduction In this post, I will show you how easy you can integrate Graphite with Icinga Web 2. I assume you have a Icinga 2 ready with Icinga Web 2 Server running, and you have an additional Linux Server where you will install Graphite. It's recommended to have...
How to set up High-Availability Masters
When getting started with Icinga 2, a single master instance is often sufficient. However, if your monitoring is business-critical, you’ll need to set up High-Availability Masters to ensure redundancy and stability. This post will guide you through the process of...
Exporting Data from Icinga Web 2
Today we will talk about exporting data (such as hosts and services) from Icinga Web 2 into various formats. Exporting From the UI You have probably already seen the drop-down in the upper left corner of a list? If you hover there with your mouse or focus it by...
Icinga Web permissions and restrictions (how do they work, examples)
Permissions and restrictions are something used to control how much access is provided to a particular user or user group. Therefore one must first understand what is the role of a user or a group. Requirement: Icinga 2 and Icinga Web 2 installed. Hosts and services...
Icinga 2, Icinga Web 2 and Director Kickstart on CentOS 7
INTRODUCTION The easiest way to get started with Icinga is a single-node installation. If you are new to the Icinga world, here you have a kickstart for installing Icinga 2, Icinga Web 2 and Icinga Director on CentOS 7. With these steps you will have a ready Icinga...
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