Monitoring domains and DNSSEC properly

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 for Windows without an Icinga 2 agent

Icinga for Windows without an Icinga 2 agent

I've already dropped a hint at this topic in a previous post of mine which reflected the history of Icinga on Windows: Icinga 2.14 will be able to directly speak to the PowerShell daemon REST API without even fork(2) or exec(3) for a subprocess (...). In fact this...

Releasing Icinga v2.14.2

Releasing Icinga v2.14.2

Version 2.14.2 is a hotfix release for master nodes that mainly fixes excessive disk usage caused by the InfluxDB writers. Icinga 2.14.0 introduced a change to the InfluxDB Writer that resulted in InfluxDB storing the data less efficiently. This release restores the...

Critical hotfix releases: Icinga 2.14.1 and 2.13.9

Critical hotfix releases: Icinga 2.14.1 and 2.13.9

Imagine you've installed Icinga 2.0.0 on 2014-06-06, the day it was released. You've tested its features, over the time we've added more of them and by now your test cluster went in production. An Icinga cluster operates on TLS which involves a root CA, typically...

The future of Icinga + Windows: Schrödinger’s agent?

The future of Icinga + Windows: Schrödinger’s agent?

I remember as if it was yesterday. I participated at the OSMC 2014 and watched Bernd's talk "Current state of Icinga". In the live demo Bernd has showed some of the new things we've built. One of them he introduced somewhat hesitantly IMHO: Now there is... not only...

Security releases: Icinga 2.13.7 and 2.12.10

Security releases: Icinga 2.13.7 and 2.12.10

Recently the OpenSSL project released OpenSSL v1.1.1t and advised its users to upgrade due to several CVEs that release has fixed. We're not certified security experts, but we know that a redundant update is better than a missing update. While on Linux the OpenSSL...

Docker: ARMed with PIes

Docker: ARMed with PIes

More and more people use machines with the energy-efficient ARM chips. No wonder, after all the Raspberry Pi's processing power evolves which makes it more suitable for a wider range of use cases. For the power users there are the new 80 core servers with Ampere...

Resolving Git merge conflicts – easily and accurately

Resolving Git merge conflicts – easily and accurately

Nobody likes resolving merge/rebase/cherry-pick conflicts. I also don't, but I've found a scheme how to reduce the built-in headache. In this post I'm going to share my findings as well as practical examples. Warming up First let's brush up on merge conflicts with...

Releasing Icinga 2.13.5

Releasing Icinga 2.13.5

Today we are releasing Icinga 2.13.5. It addresses issues with 2.13.x-only changes such as logging startup messages to Windows event log or Icinga DB. In addition, the bundled dependencies on Windows are updated to the latest available versions.   Changes Ensure...

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