Open Source

Raspberry Pi: How to set up an SSH server

Raspberry Pi: activating and using SSH access

Raspberry Pi has established itself as a reliable basis for servers of various types. Access – for configuration and maintenance purposes – rarely takes place on the mini computer itself, but mostly on a desktop computer in the same network. The communication protocol is the secure SSH (secure shell), which isn’t enabled by default and hasn’t been for some time. How to activate the Raspberry Pi...

What needs to be considered when writing a white paper?

White Paper – A document used for advertising with facts

How do you write a white paper? And what actually is white paper marketing? The term white paper can often create confusion as it is not clearly defined. This article gives you an overview of what types of white paper documents there are, as well as useful tips on how to create a white paper.

PrestaShop – the modular system for e-commerce

PrestaShop: the shop platform with HQ in Europe and Miami

The search for the perfect software to meet your requirements of design and functionality for e-commerce can be a long and tedious affair. Some platforms just don’t quite give you the design you’re after, while others might look great but lack important shop functions like flexible payment methods, legal certainty, or optimisation for mobile devices. PrestaShop was developed especially for...

Apache Lucene

Apache Lucene: free search for your website

Who wouldn’t want to build their own search engine that’s adapted precisely to their requirements? Apache Lucene makes this possible. The open source project can be precisely adjusted and also works extremely quickly, which is why even large companies such as Twitter rely on Lucene. In our Lucene tutorial, we show you how to use the full-featured text search. But first the question: What is...

WordPress plugins for securing your website

The best WordPress backup plugins

If you’ve invested lots of time and effort into your WordPress project, you definitely need an adequate backup solution. Otherwise, you run the risk of losing important data through a database or system failure, which may not be retrievable. Which WordPress plugins are available for helping you back up your project?

The best UML tools

6 UML tools for every occasion

Comparing UML tools: Looking for the best UML diagram tool? Or do you need a tool to be able to draw simple drafts and exchange ideas quickly in your team? UML programs offer more than just diagram templates for the UML standard. Whether you are looking for communication, a free UML tool, or a complete solution for your company, we explain what you should consider and introduce you to 6 programs...

Provide Raspberry Pi with a static IP address

Equip Raspberry Pi with a static IP address

Both the private Raspberry Pi IP address and the public IP address of the internet connection are constantly changing for most users. Such dynamic IP addresses aren’t practical for the use of a minicomputer. But if you want to use server software effectively on your Raspberry Pi, you need a static IP address for the computer in the local network. The internet access used to make the server...

What are the alternatives to Picasa?

The most popular Picasa alternatives at a glance

Ever since Google discontinued the popular photo editing and management software, Picasa, many former users have been looking for good Picasa alternatives. There are numerous programs to choose from that often offer the same, or at least similar, features as the trusted Google tool. Our guide offers a practical overview of the best alternatives to Picasa.

E-book templates

Everything you need to know about e-books – part 2: e-book templates

You may have impressive content, but with an appealing e-book design and a well-structured layout your publication will also look great and be easier to read. By ensuring good readability, creating visual stimuli, and offering more value to the reader, you increase your e-book’s chances of success. In the second part of our e-book series, we reveal how to create your own template and what you need...

What does WYSIWYG mean?

WYSIWYG: I spy with my little eye

WYSIWYG: This strange sequence of letters has become the standard for most editor programs. This is why many users can’t imagine how these programs work without the 'what you see is what you get' principle. In the field of HTML editors, there are different approaches and opinions. We explain exactly what is behind the acronym, show you the advantages and disadvantages of the principle, and...


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