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Let’s build a raspberry pi cluster

In June 2018 I came in contact with Raspberry Pi’s for the first time and learned to appreciate and love the little boxes. At a cost of 35€ per computer, I originally decided to conduct control experiments for a smart home with the Pi’s. As a programmer, I then came up with the idea of connecting several Pi’s together to form a supercluster – to speed up complex calculations like the Mandelbrot set. The latest goal will be to […]

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Hello World

Welcome to the blog of my homepage! Here I will write about cats, vacations, IT security, Android, Python, Raspberries, Music, Unity3D, Linux and Windows. Not always regularly, because I may go to work – but every now and then. I also like to take topic suggestions.
Have fun browsing, reading and learning. Jens

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Hitchhiker’s Guide To Westeros

Westeros is a beautiful island. And just as deadly. Hitchhiker’s Guide and Westeros? What will that be? A travel guide? Let yourself be surprised! Don’t Panic! Welcome to my first blog!

https://lovethyshelfblog.files.wordpress.com/2015/03/61111-pae-2.jpg

What is this all about?
The final assignment to earn my nanodegree in Data Visualiszation expects me to write a blog. A blog about the things I learned. A blog? I don’t have a Facebook account, on Instagram I only read along with travelogues about the Arctic, and in general […]

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ELK Install

Ich versuche gerade, einen ELK-Server aufzusetzen, dem ich über Filebeats von Clients Loginformationen an Logstash schicken kann.

#!/bin/bash

# Ubuntu updaten,
# Pakete upgraden,
# und die Distribution auf den neuesten Stand bringen

sudo apt-get update -y
sudo apt-get upgrade -y
sudo apt-get distro-upgrade -y
sudo apt install -y

# Java für den Elastic Stack installieren
# es muss die Version 1.8 (8.0) sein

sudo add-apt-repository ppa:webupd8team/java -y
sudo apt-get update
sudo apt-get install -y oracle-java8-installer

# Curl zum Testen des Stacks installieren
sudo apt install -y curl

# Netstat nachinstallieren
sudo apt install -y net-tools

wget […]

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