Backing up Windows (the hard way)

Sometimes you need to do things you don't like and you don't know where you will end up. In our household there exists one (production) system running Windows. Don't ask why and please no recommandations how to substitute it. Some things are hard to (ex)change, for example your love…

Monitoring Plugins 2.3 released

While our last release has matured for quite a little time, there raised demands within our community for a new release. The development has settled this fall and @sni was already using master for a while in production, so we thought about to release. Anyway Debian Freeze is coming, let's…

Covid-19 / SARS-CoV-2

MetricsCOVID Risiko Deutschland nach Ländern und Kreisen Übersicht der Fallzahlen von Coronavirusinfektionen in Bayern Prognose der COVID Neuinfektionen - TU Dortmund Risklayer-CEDIM / KIT Risklayer Deutschland Coronavirus Spreadsheet - 01032020 bis jetzt CoronaVis - LIVE Lockdown Ansicht Coronavirus tracked: has your country’s epidemic peaked? Coronavirus tracked: the latest figures as…

DevOps Camp 2019

Das DevOps Camp ist wieder einmal Geschichte und das natürlich viel zu schnell. Die Veranstaltung ist als BarCamp angelegt, genauere Informationen findet man hier. Nachdem vorher nur grob ein Themenrahmen gesteckt wird, findet wie immer eine kurze Vorstellungsrunde, diesmal mit sensationellen 200 Teilnehmern, statt und dann die Sessionplanung. Es gibt…

HAProxy - a journey into multithreading (and SSL)

I'm running some load balancers which are using HAProxy to distribute HTTP traffic to multiple systems. While using SSL with HAProxy is possible since some time, it wasn't in the early days. So we decided for some customers, which was in need to provide encryption, to offload it with Apache.…

Comparing (OVH) I/O performance

Since some time I'm using cloud resources provided by OVH for some projects I'm involved. Recently we decided to give Zammad, an opensource support/ticketing solution, a try. We did choose the docker compose way for deployment, which also includes an elasticsearch instance. The important part of this information is,…

Deploying a (simple) docker container system

When a small platform for shipping containers is needed, not speaking about Kubernets or something, you have a couple of common things you might want to deploy at first. Usual things that I have to roll out everytime deloying such a platform: docker docker-compose Watchtower - automatically updating and restarting…