When your Linux system feels sluggish, one of the first things to investigate is the CPU usage. The CPU (Central Processing Unit) is the brain of your machine, and if it’s overloaded, everything...
How to check CPU usage on Linux
When your Linux system feels sluggish, one of the first things to investigate is the CPU usage. The CPU (Central Processing Unit) is the brain of your machine, and if it’s overloaded, everything...
What is SNMP Trap: Real-Time Alerts for Network Monitoring
Why wait for the next poll? An SNMP trap is a real-time alert sent from a device to a monitoring system, without waiting for polling. Ever had a router die silently at 3 AM while your monitoring system was still polling away every 5 minutes? Yeah… not fun. That’s...
Icinga Experience: Insights from Real-World Icinga Deployments Across Industries
Introduction Modern IT environments are hybrid, distributed, and constantly growing. To keep them reliable, organizations rely on monitoring that scales, automates, and integrates seamlessly into existing workflows. We collected 24 Icinga customer stories from...
How Quick User Tests Help Us Make Better UI Decisions in Icinga Web
Designing user interfaces for Icinga Web is always a bit of a balancing act. Once we’ve worked through all the technical and conceptual details of a new feature, it can be tough to step back and see things from a fresh user’s point of view. We as developers know too...
How To Pick The Correct Metrics For Your Monitoring
This is a guest blogpost by Adam Sweet from the Icinga Partner Transitiv Technologies. Since this is a longer post, we added a tl;dr at the end. For many, host and application monitoring is an afterthought at the end of a project. Some people don’t think about...
Monitor Microservices Effectively: A Practical Guide
Contents What Is Microservice Monitoring? Why Monitoring Microservices Is Different – and What It Means for You Key Metrics and Signals You Should Track Best Practices for Monitoring Microservices Monitoring Tools for Microservices: What to Look For Microservice...
Automation: Data processing of imported data using property modifiers in Icinga Director
The raw data imported from the external sources (CSV, SQL, REST API, LDAP, etc.) is usually not in the right format. Hence, they have to be processed or converted before they are used to modify objects using synchronization rules. To do this, Icinga Director provides...
Releasing Icinga DB v1.3.0
Today we are releasing a new version of Icinga DB, version 1.3.0. This is a maintenance release, integrating the container setup directly into Icinga DB. Most importantly, first-class support for configuring Icinga DB completely via environment variables has been...
Icinga 2 Insights With Event Streams
There are many ways to interact with the data that Icinga 2 collects, processes, and produces. The most common is probably Icinga Web, which displays checks in all the colors of a traffic light. Icinga 2 also comes with several metrics or performance data writers. But...
Releasing Icinga Web v2.11.5 and 2.12.3, Icinga Director 1.10.4 and 1.11.4, Icinga Reporting 1.0.3
Update (2025-03-26 16:45:00 UTC) We released a hotfix release for Icinga Web 2.11 and 2.12 afterwards. Please install 2.11.6 and 2.12.4, respectively. -- Today we release three updates, each for an integral component of Icinga, which all close a total of five security...
Looking for a PRTG Alternative? Here’s Why You Should Consider Icinga
If you’re reading this, chances are high you’re looking for a PRTG alternative and considering switching from Paessler PRTG to Icinga. Maybe it’s the rising costs of PRTG, or maybe you want a monitoring solution that gives you more flexibility and control. Whatever...
SSL Certificate Monitoring and Management
SSL certificates are the foundation of secure communication on the web. They protect data integrity, enable encryption, and verify identities. But even a single expired certificate can cause outages, lost trust, and serious security risks. Effective SSL certificate...
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