Building a simple firewall on Linux system to only allow requests to a list of whitelisted domains using dnsmasq and iptables.
Category: Tutorials
Time Management: Doing Less lets you Achieve More
“There is surely nothing quite so useless as doing with great efficiency what should not be done at all.” – Peter F. Drucker [1] Effectiveness and Efficiency Do you know the difference between effectiveness and efficiency? Effectiveness is the relationship between a goal achieved and a goal set, whereas efficiency is the ratio of the achieved…
WordPress without the security hassles – using GitLab CI/CD to automate transforming WordPress into a static website
Recently we launched our new company website (craft-coders.de). It’s a simple website that showcases us and our work and describes the kind of services that we provide to customers. It requires no dynamic features except for the contact form. We decided to build our website with WordPress, but to automatically generate a static copy of…
Regolith Quickstart: Creating a Custom-Theme
This post is intended for beginners of i3 or more specifically Regolith. Since i3 is just a window-manager and not a fully fletched desktop environment you might have encountered some issues using a pure version of i3. Regolith is a modern desktop environment that saves you time by reducing the clutter and ceremony that stand…
Sophisticated Google container structure tests
Last week we did an innovation week at our company, crowding up together and trying to figure out what can be done to improve our systems. Our group chose to setup a private docker registry and to automate the creation of docker images for our test-system. After some research we came up with Google’s framework…
A deep dive into Apache Cassandra – Part 1: Data Structure
Hey guys, during my studies I had to analyze the NoSQL database Cassandra as a possible replacement for a regular relational database. During my research I dove really deep into the architecture and the data model of Cassandra and I figured that someone may profit from my previous research, maybe for your own evaluation process…
5 Things I love about WSL
I got a new PC and love it! But a new PC also means a whole new setup and a lot of work. One of the first things I’ve setup has been the Windows Subsystem for Linux. I know I am a developer and most of you would not expect me to work on a…
Smartphone Sensors for Dummies
On my way exploring Augmented Reality under iOS, I have come across Core Motion Framework, which provides tools for working with motion- and environment-related data your device captures. There are numerous applications for this kind of information, especially if we are talking about location-based services or any apps which need to be sensitive to their…
Quickstart: Get ready for 3rd Spoken CALL Shared Task
These days is Interspeech conference 2018 where I’m invited as a speaker and as they write on their website… Interspeech is the world’s largest and most comprehensive conference on the science and technology of spoken language processing. Coming Wednesday the results and systems of 2nd Spoken CALL Shared Task (ST2) are presented and discussed in…
Spring Cloud Netflix Sidecar Tutorial
Introduction Hey guys,this week’s post is about Microservices created with the various Spring Cloud frameworks and how to include services written in non-JVM programming languages into the Spring Cloud ecosystem using Spring Cloud Netflix Sidecar. Please be aware that this tutorial is specifically written for people who know the architectural style of Microservices and are…