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Software Blog Posts

(2019-02-07) Protect your server using fail2ban

While reading the system journal of my server, I noticed a bunch of evil looking entries and finally found in the Python tool fail2ban a satisfying but not an overall answer to the problem.

(2019-01-11) Setting up JupyterHub on openSUSE Leap 15.0

In a previous blog post the setup of the Apache2 webserver including TLS was explained. Based upon that effort, this blog post deals with the setup of JupyterHub. The goal is to create an online development environment for fancy looking interactive GNU Octave notebooks. Those are a great tool for explaining mathematical code and software as they have builtin support for syntax-highlighting and, thanks to MathJax, mathematics.

(2018-06-25) Setting up an apache2 webserver on openSUSE Leap 15.0

The goal of this blog post is to properly remember what I did to create my root-server setup using openSUSE Leap 15.0:

(2017-03-10) Getting to know the MediaWiki API

This article is a short introduction to the MediaWiki action API, in the following just called API. The API enables to edit and upload content to a MediaWiki by simple HTTP GET and POST requests, for example issued by the command-line tool cURL, without using the standard web interface.

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(C) 2017 — 2020 Kai Torben Ohlhus. This work is licensed under CC BY 4.0. Page design adapted from minima and researcher. Get the sources on GitHub.