Lots of big companies lock down their IT infrastructure in the internal network, sometimes they even use only locally mirrored repositories. I totally understand this, especially since our...
Get Valid TLS Certificates for Icinga Web Despite a Firewall
Lots of big companies lock down their IT infrastructure in the internal network, sometimes they even use only locally mirrored repositories. I totally understand this, especially since our...
Icinga 2 Meets OpenTelemetry: Native Metrics Export in v2.16
The OTLPMetricsWriter is a new Icinga 2 feature available since v2.16 that exports check plugin performance data as OpenTelemetry-compliant metrics via the OTLP HTTP protocol. With a single configuration object, it connects Icinga 2 to any OTLP-compatible backend like...
Mirroring Icinga Packages in Air-Gapped and Restricted Environments
When hosting in a secure or corporate environment, Internet access is often restricted or blocked completely. While this makes sense from a security point of view, this introduces some challenges. For one, getting software packages. There are usually two approaches to...
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 either from the Monitoring Plugins or custom. While their origin does...
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...
Getting Started with Icinga: Your All-in-One Guide to Mastering Monitoring
If you’re looking for a comprehensive guide to getting started with Icinga, you’re in the right place. Whether you're new to Icinga or a seasoned user who thinks they’ve seen it all, some of these resources could surprise you with a few tricks. Let's dive into the...
Monitoring domains and DNSSEC properly
First of all, if you own a domain, the following text is for you. In production you obviously want to reduce outages. And an outage of a DNS domain as such takes down all services under that domain, no matter whether your LAMP components are all up and running. At...
How to Do Code Review: A Guide for Teams That Care About Quality
We at Icinga / NETWAYS (yes, that’s the order) held an internal event recently. It’s name was Knowledge Days and I got to to talk about how I review code. Now, I will share my knowledge with you! Though, this is specifically how I personally perform reviews. This is...
Infrastructure Monitoring Checklist: What you should monitor
You want to monitor your infrastructure? Monitoring is essential to ensure system stability, security and optimal performance. Without proper monitoring, small issues can quickly escalate into major problems and affect productivity and service availability. While...
Icinga Notifications: Incident muting
In a previous article, Julian provided a comprehensive overview of the characteristics and functionality of Incidents in Icinga Notifications. In today's blog, I will explain the concept of Incident muting and its underlying mechanisms. What is Incident Muting? The...
Monitoring Automation with Icinga Director – Simplify Configuration Management
Automating the monitoring process for a huge amount of servers, virtual machines, applications, services, private and public clouds is a main driver for users when they decide to use Icinga. In fact, monitoring large environments is not a new demand for us at all. We...
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