You just finished a long interactive rebase. You hit enter. Your commit history looks… wrong. There is a bunch of things that could go wrong: messed up an interactive rebase accidentally ran git...
How to undo Git reset hard?
You just finished a long interactive rebase. You hit enter. Your commit history looks… wrong. There is a bunch of things that could go wrong: messed up an interactive rebase accidentally ran git...
Understanding Namespaces in Icinga 2 DSL
Last time, we explored the concept of variable scopes in Icinga 2, which help you manage and organize your DSL configurations effectively. As promised, today we'll dive into another, how shall I say, advanced topic: Namespaces in Icinga 2. What are Namespaces?...
Integrating Prometheus Metrics into Icinga Using check_prometheus
Introduction This article explains how to integrate metrics from Prometheus into Icinga checks using the check_prometheus plugin. There can be multiple reasons why this could be desired: Maybe you have different teams with their own monitoring systems, and you need to...
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...
Icinga Notifications: Custom Channel Plugins
As many of you have already seen in our previous blog posts and our early beta release, we're working on a new, independent notification module. Right now, we only offer three ready-made channels for sending notifications. Today, I want to show you how you can create...
Multi Element Selection in Icinga DB Web
From time to time we want to bring not so widely known features of Icinga into spotlight. In this effort it’s a not so obvious feature, that was available in the monitoring module of Icinga Web 2 at some point already. It has also been available in Icinga DB Web since...
Icinga Director: Cloning dictionary row entries for objects from import sources
Over use of dictionaries in monitoring leads to complex and ugly configurations. This in turn makes monitoring complicated. Hence, it is advisable to use it, only if it is needed or in special cases. Even in these cases it is worthwhile to keep it simple. On that...
Icinga Package Repository Key Rotation, 2024
Icinga uses it's own repositories to distribute installation packages for the Icinga software. Today, we're announcing the rotation of the GPG key used to sign our repositories and packages. Currently, our repository is signed with a 1024 bit DSA key. Key rotation is...
Icinga Notifications Web: Schedule configuration
A few weeks ago, we released the first beta version of the Icinga Notifications Web module. The Configuration tab provides the option to create schedules that can be used as recipients for notifications. What is a Schedule and how does it work? A schedule is a...
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