Raspberry Pi projects

Raspberry Pi projects

Raspberry Pi is an inexpensive micro-computer that can behave like a standard computer in many respects. The innovative mini device can be used for a wide range of tasks - from setting up an operating system to surfing the web, to using it as a server or a media center. Discover 20 of the most interesting Raspberry Pi projects to try out at home.

Learn MySQL in simple steps

MySQL tutorial: the comprehensive guide for beginners

Along with Oracle and Microsoft SQL server, MySQL is one of the most popular management systems for relational databases. Nowadays the software developed by MySQL AB belongs to the product portfolio of the Oracle Corporation and is proprietarily marketed under a dual license. Since 2009, an open source MySQL fork, known as MariaDB, has also been available from the original developers. Here we give...

Ubuntu: The Linux system for everyone

Ubuntu: The versatile Linux distribution with long-term support

Whether a home PC, work laptop, or website server – without an operating system, the management of hardware resources wouldn’t be possible. Windows systems have proven themselves over the years, and Apple computers run with Mac OS X as the standard, but Linux distributions are no longer a niche in the server environment. Ubuntu, for example, continues to build on traditional open source...

Network Time Protocol (NTP)

Network time protocol (NTP): definition and functionality

Computer systems and applications use time stamps for communication purposes. Synchronous system times are highly important for these so-called temporal signatures to be of any use – especially for systems that exchange information via the internet. A protocol that has provided valuable assistance for decades is the network time protocol (NTP) – here is an introduction to NTP, as well as some...

Fog computing

Fog computing: decentralized 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...

Edge computing

Edge Computing – Calculating at the edge of the network

Autonomous cars, intelligent factories and self-regulating supply networks – a dream world for large-scale data-driven projects that will make our lives easier. However, what the cloud model is and how it works is not enough to make these dreams a reality. The challenge of effectively capturing, evaluating and storing mass data requires new data processing concepts. With edge computing, IT...

Reverse ARP

RARP: The Reverse Address Resolution Protocol

Out-dated technology can still be interesting. Even though the Reverse Address Resolution Protocol was introduced in 1984, and considered obsolete the following year due to the Bootstrap Protocol, it continued to be used long after. The RARP has not completely disappeared from network technology even today. As the Reverse ARP, this protocol is a counterpart to the Address Resolution Protocol. But...

Infrastructure as Code

Infrastructure as Code (IaC): using code for IT infrastructure management

There has been a significant increase in the demands placed on IT infrastructure. Today, anyone looking to develop and manage software will have basically no chance at being competitive without a flexible and fully scalable hardware infrastructure. It is no coincidence that many companies rely on IaaS resources provided by Google and AWS, to name just a few, which are easier than ever to manage...

Kubernetes vs. Docker

Kubernetes & Docker: Friend or foe?

If you’re happy with Docker and are already using the container visualizer, you might have thought about trying Kubernetes. But are these two systems actually rivals? Is it a case of Kubernetes vs. Docker? On the contrary, both work really well together. But the container pioneer now also offers its own tool for orchestration with Docker Swarm. So, which is better?


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