Introduction Icinga 2 makes heavy use of Boost.Coroutine2 in our network code, which are stackful coroutines that are designed to work well with the IO operations from Boost.Asio. This has proven to...
Exploring C++20 Coroutines: A Practical Look at Stackless Coroutines vs Boost.Coroutine2
Introduction Icinga 2 makes heavy use of Boost.Coroutine2 in our network code, which are stackful coroutines that are designed to work well with the IO operations from Boost.Asio. This has proven to...
Monitor One Icinga 2 Cluster From Another
Icinga is designed to be a highly dynamic monitoring software that can monitor your setup, regardless of its architecture. While most setups are hierarchical and fit well into the master, satellites, and agents scheme with different zones, it is sometimes impractical...
Drowning in Alert Fatigue? How to Regain Control of Your Monitoring
Introduction: Why Alert Fatigue Hits Sysadmins Sooner or Later If you’ve ever muted your phone during a maintenance window, only to miss a real outage an hour later, you’re not alone. Sysadmins on Reddit and beyond often describe feeling like they’re drowning in...
Authenticating Icinga 2 API Users with TLS Client Certificates
When interacting with the Icinga 2 API, the client is commonly authenticated using a password provided via HTTP basic auth. Icinga 2 also supports a second authentication mechanism: TLS client certificates. This is a feature of TLS that also allows the client to send...
How We Schedule Tasks in PHP at Icinga – A Look Behind the Scenes
When building software like Icinga, some of the most critical operations happen silently in the background. Recurring tasks whether for collecting data, renewing certificates, or generating reports are essential to delivering the functionality our users rely on every...
How to Create Custom-Branded Icinga Reports – Quick Tip
With Icinga Reporting you can create custom SLA reports for hosts and services that are monitored with Icinga. The module for Icinga Web fetches existing data and takes planned downtimes into account. You can filter for certain hosts and services as well as set custom...
Use actual data in Sketch for more realistic mockups
This time I want to show a feature that's not obvious at first sight, but can save a lot of time, when you're intending to create UI mockups with realistic data. Why it is important to test UI concepts with realistic data at a certain point In my opinion it's totally...
Using Sketch Symbols to boost the UI mock up workflow 🚀
As you may have noticed in one of my last posts, I’m not super averse to using Sketch in my daily workflow. Still, for creating UI mock ups, both high low quality, Sketch is the graphics tool, that I feel most comfortable in, because it enables me to work and ideate...
Why Monitoring?
We have decided to make some short educational videos about Icinga, and today we will be releasing the first one: Why Monitoring? In these videos we want to explain the Whys and Whats and Hows around Monitoring in a way that is accessible to anyone who is interested....
How to use path wildcards in Graphite Module
The Graphite module of Icingaweb2 is a great tool for rendering graphs from performance data. The latest version 1.2.0 introduces some bug fixes and new features like dark and light mode support, a lot of new templates, support for path wildcard, etc. The support for...
Parameterizing GitLab CI/CD?
While doing packaging for Icinga, I noticed we have a lot of YAML files describing GitLab pipelines doing very similar jobs. The same build job across different operating systems. That’s wasteful behaviour, which leads to a bigger workload when it comes to modifying...
Icinga 2 IRC notifications. The complete guide
A few months ago I wrote about sending notifications to Rocket.Chat. While that messaging tool is quite powerful, one may also prefer to keep it simple. So let's also address the good old IRC. No test system? No problem! Setting up an IRC daemon is pretty easy:...
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