Docker: You’ve got mail!

Docker: You’ve got mail!

So far we’ve chosen base images for our Icinga 2, Icinga Web 2 and Icinga DB Docker images, further reduced the image size and even taken care for security and comfort. Additionally Eric put all the images together via Docker Compose. But there’s still one little...

How to fetch data from Icinga Web

How to fetch data from Icinga Web

There are multiple ways to interact programatically with Icinga. Last week Henrik demonstrated how to connect to the Icinga 2 API through the Icinga 2 Console. Working with the Icinga 2 API is probably the most obvious way to interact with Icinga. Still, I would like...

How to connect to the Icinga 2 API via the Icinga Console

How to connect to the Icinga 2 API via the Icinga Console

Today I will show you a couple of small functions you can use with the Icinga Console. Using the Icinga Console can help with scripting in general and provides a quick and easy-to-use way of extracting information from your Icinga environment. We will take a look at...

Creating dashboards based on custom filters

Creating dashboards based on custom filters

In this blogpost, I explain how to create dashlets using custom filters. This way you can create dashlets of your own which you find is necessary. Having dashboards in fact improves monitoring. Dashlets are the different sections under the given dashboard, which are...

Icinga 2 Config Sync: DIY Edition

Icinga 2 Config Sync: DIY Edition

Two weeks ago, Icinga 2 Config Sync: Behind the Scenes explained how the config sync in Icinga 2 works and how you can look behind the scenes. Today, we will put our knowledge from that post to the test and try to manually replicate the config sync. The most important...

Icinga 2 Config Language (DSL): Advanced Apply Rules

Icinga 2 Config Language (DSL): Advanced Apply Rules

As many users of Icinga don't know what the DSL has to offer, I'm going to show you how to use custom variables and apply for rules to make your life easier when writing configuration for your Icinga environment. Idea In this example we will use custom variables on a...

Icinga 2 Config Sync: Behind the Scenes

Icinga 2 Config Sync: Behind the Scenes

Today's blog post dives into the internals of Icinga 2 and will give you an overview how the config synchronization works internally. We will take a small cluster as an example and follow the configuration files through the synchronization mechanism. We assume some...

Managing the Icinga Director with Ansible

Managing the Icinga Director with Ansible

This is a guest blogpost from Sebastian Gumprich from T-Systems Multimedia Solutions GmbH --- Our company is using Icinga for quite some time now to monitor our whole infrastructure and its customers infrastructure. We deploy many Icinga instances for different teams...

Docker: Secure, but comfortable images.

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

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

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...

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