Virtualisation: an overview

In this article we will give a definition of virtualisation, and look at in which cases virtualisation technology can be used. Furthermore, we will also look at the forms of virtualisation which everyone should be familiar with, with a specific focus on corporate environments.

VNC: how to set up your Raspberry Pi for virtual network computing

Seeing as the connection between monitor, mouse, and keyboard to the Raspberry Pi is rarely practical, the minicomputer is often operated in headless mode (via SSH) via the command line. Thanks to virtual network computing (VNC), however, there is an alternative solution that also allows remote access to the user interface. To use this technology based on the RFB protocol, you only need to set up...

Cloud Storage: How does data storage in the cloud work?

Portable storage media such as CDs or USB sticks are still in demand when making backups or transferring files to another device. More and more often however, users also rely on cloud storage solutions that allow data to be outsourced to an external server environment. But what exactly is cloud storage? And how does this storage model offered by various providers work?

The best cloud storage providers – an overview of the best online storage

Storing files online on a cloud platform has become part of everyday life for many people. Regardless if it’s your own holiday photos, or important documents for work - storing files with online storage providers takes the load off your hard drive, and also ensures that they are available anytime and from anywhere. But what are the best cloud storage providers on the market? And what differences...

Flush DNS: how to clear your DNS cache

Various operating systems, such as Windows or macOS, automatically save information about address resolution from systems and applications in the network in a DNS cache. For Linux there are also corresponding services, though they have to be installed by the user. The purpose of this practical cache is to speed up network traffic, which is particularly important on the internet. Why it’s useful to...

Fog computing: decentralised approach for IoT clouds

Traditionally, cloud solutions are designed for central data processing. IoT devices generate data, send it to a central computing platform in the cloud, and await a response. However, with large-scale cloud architectures, such a system inevitably leads to bandwidth problems. For future projects such as connected cities and smart manufacturing, classic cloud computing is a hindrance to growth. The...

An introduction to virtual machines

Virtual machines are extremely practical and versatile: Do you want to set up an isolated test environment, run a Linux application on your Windows computer, or provide different operating systems for cross-platform software tests? With the right virtualization software and an appropriate image file, this is easy. We will introduce you to the basics of hypervisor-supported hardware virtualization...

Golang: the simple programming language from Google

Google is best known for its search engine, but also for services like AdWords, Maps, or Gmail. Since 2012, the mega-corporation has had its own programming language in its product range: Go. Also known under the name Golang, it has drawn attention to itself through its simplicity. But how does it differ from established representatives like C++ or JavaScript? And when does it make sense to...

Screenshots for Mac – here’s how it’s done

Screenshots can be extremely helpful and beneficial. Regardless of whether you are sending them to friends or using them professionally, it is always going to be easier to demonstrate it this way than having to describe it. Making iMac or MacBook screenshots is very easy – as long as you know how it all works. Here we show you all the keyboard shortcuts for making screenshots on a Mac, as well as...

Create a screenshot on Windows: How it works

With screenshots, you can show your colleagues and friends with just a few clicks what you’ve just seen on your screen. This can be an important part of your daily workload as well as something you use in your free time. But how do you actually create a screenshot? On Windows, the necessary resources are already built in. We explain to you how to use them correctly.