Insights

Posts in 2017
  • Testing Logstash Configuration with Citrus and Docker

    Wednesday, March 08, 2017 in Insights

    The ELK-Stack is a good option to aggregate and visualize distributed logging-data. It basically based on Logstash for extracting and distributing the data Kibana as visualization frontend. The core of the most ELK applications is the Logstash …

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  • Prometheus und die Fritzbox

    Wednesday, March 08, 2017 in Insights

    Prometheus ist ein quelloffenes Monitoring- und Alarmierungs-Werkzeug. Seine Basis bildet eine Zeitreihen-Datenbank, auf deren Daten mit einer eingebauten, sehr mächtigen Abfragesprache zugegriffen werden kann. Prometheus verfolgt den Ansatze des …

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  • Portchannel-Monitoring mit check_nwc_health

    Sunday, February 26, 2017 in Insights

    Version 6.0 von check_nwc_health ist erschienen und hat neben Aufräumarbeiten unter der Haube ein paar neue Features zu bieten: interface-etherstats F5 Wide IPs Juniper VSD Memberstatus interface-stack-status Interface-Monitoring auf Ethernet-Ebene …

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  • SNMP-Traps und OMD - Teil 1

    Saturday, February 25, 2017 in Insights

    SNMP-Traps und Nagios ist eins der Themen, um das man bislang gerne einen großen Bogen gemacht hat. Grundsätzlich gibt es seit etlichen Jahren die AddOns SNMPTT und Nagtrap, deren Konfiguration aber ein wenig mühsam ist. In einem Projekt, bei dem es …

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  • Using .gitignore the Right Way

    Wednesday, February 22, 2017 in Insights

    Have you ever wondered what kind of patterns .gitignore allows? Was it **/*/target, target/* or *target*?? Read on and find out! Motivation Everyone who uses Git sooner or later has to define a .gitignore in a newly created project. We simply …

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  • PNP4Nagios and Grafana

    Tuesday, February 21, 2017 in Insights

    Many Nagios folks use PNP4nagios to store performance data and draw graphs. Nowadays time series databases like Influxdb are quite trendy and have their own pros and cons. But In the end they visualize the stored metrics with Grafana which comes with …

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  • PNP4Nagios and Grafana

    Tuesday, February 21, 2017 in Insights

    Many Nagios folks use PNP4nagios to store performance data and draw graphs. Nowadays time series databases like Influxdb are quite trendy and have their own pros and cons. But In the end they visualize the stored metrics with Grafana which comes with …

    Read more

  • Getting Started with Java 9 Modules

    Monday, February 13, 2017 in Insights

    So, 2017 has arrived - this is the year when Java 9 will finally be released. And with it, the brand new module system called Jigsaw. In January, Marc Reinhold has announced that JDK 9 is feature complete, so we have every reason to be optimistic …

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  • Getting Started with Java 9 Modules

    Monday, February 13, 2017 in Insights

    ![duke-thinking.jpg](duke-thinking.jpg) So, 2017 has arrived - this is the year when Java 9 will finally be released. And with it, the brand new module system called Jigsaw. In January, Marc Reinhold has announced that JDK 9 is feature complete, so …

    Read more

  • Local Kubernetes Development with Minikube

    Friday, February 10, 2017 in Insights

    Getting started with Kubernetes can be intimidating at first. Installing Kubernetes is not the easiest of tasks and can get quite frustrating.1 Luckily, there is an out-of-the box distribution called Minikube which makes toying around with …

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