As some of you might have already noticed, we recently gave our official Icinga 2 container image builds a complete overhaul. These new images are currently available only as snapshot builds but...
Enhanced Icinga 2 Container Images
As some of you might have already noticed, we recently gave our official Icinga 2 container image builds a complete overhaul. These new images are currently available only as snapshot builds but...
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 else slows down. In this guide, you’ll learn different ways to Linux...
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 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...
Icinga Notifications: Custom Sources
Icinga Notifications works with custom sources next to Icinga 2 alerts. Custom sources from a script and for Prometheus alerts are shown.
Uncovering a Client Certificate Verification Bypass in Icinga
This is a guest blogpost from Finn Steglich. As of Icinga 2 versions 2.14.3, 2.13.10, 2.12.11, and 2.11.12 from 12th November 2024, a critical security issue affecting Icinga 2 Masters, Satellites and Agents has been addressed. Now we'd like to release some more...
Releasing Icinga Director v1.11.2
We are pleased to announce the release of Icinga Director version 1.11.2, which addresses several important bug fixes to enhance the stability across different areas of the Director. UI Enhancements This update resolves several issues, including errors when changing...
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...
Releasing Icinga Web v2.12.2
Today we’re announcing the general availability of Icinga Web v2.12.2. You can find all issues related to this release on our Roadmap. General Fixes Icinga Web has become quite mature over the years. Typically, only new features cause issues and require fixing....
Critical Icinga 2 Security Releases: 2.14.3, 2.13.10, 2.12.11, 2.11.12 (CVE-2024-49369)
Today, we are releasing security updates for Icinga 2 fixing a critical vulnerability that allowed to bypass the certificate validation for JSON-RPC and HTTP API connections. Impact The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was...
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...
Icinga 2 Security Pre-Announcement
The Icinga team would like to announce the forthcoming releases of Icinga 2 versions 2.14.3, 2.13.10, 2.12.11, and 2.11.12. These releases will be made available on Tuesday 12th November 2024 between 13:00 and 15:00 UTC. These Icinga 2 releases will be security-fix...
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