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...

What is MBR?

MBR (Master Boot Record) – How PCs start

Although there are now better and more effective alternatives, the master boot record (MBR) continues to be an important piece of code for start-up especially in the world of Windows. At a size of just 512 bytes, it still reliably launches countless PCs to this day. However, if the BIOS is unable to find it or if it’s unreadable due to defective hardware, administrators and users face a real...

What is SaltStack?

What is SaltStack?

Many companies have complex server infrastructures that are often managed by several administrators. Not only do the operating systems, but also software packages have to be installed, configured and maintained on a continuous basis. SaltStack allows all resources to be managed from a central computer. We show you what SaltStack can do and what makes it so special.

Error 651

Error 651: explanation and troubleshooting

“Error 651: The modem (or other connecting device) has reported an error.” You’ll run into this message in Windows when the LAN connection between your computer and modem (or other network device) is interrupted. In this article, we advise you on the various possible causes for the problem and how you can troubleshoot Error 651 in Windows 10, 8, and 7.

Deleting and disabling hiberfil.sys

hiberfil.sys: deleting and disabling the hibernation file

Microsoft Windows offers many power-saving options. For example, in Hibernate mode, your operating system shuts down almost all components that consume power. Windows uses the data from hiberfil.sys file when you restart your system. However, this file is created even if you never use Hibernate mode.

Linux commands: An overview of terminal commands

An overview of the most important Linux commands

Under Linux, all actions that you can carry out with the mouse and window system via the graphical user interface can also be performed using program calls in the terminal – provided you know the appropriate command and how to use it according to the correct syntax. To make working in the terminal easier, we provide you with an overview of basic Linux commands with detailed descriptions and...

Windows 10 split screen

Windows 10: split your screen with your mouse or shortcuts

When you use two or more programs at the same time, the back and forth between them can be tiresome and ineffective. Luckily, there’s a practical solution to this in Windows 10: split screen mode. With split screen, two windows can be presented in one half of the monitor (or four programs for a quarter of the monitor). We’ll show you how to split your screen in Windows 10 using your mouse or...

How to split your screen on Mac

Split a screen on Mac – here’s how

The function to split a screen on a Mac desktop or a MacBook provides a convenient way to view and work on two open applications simultaneously. In order to split a screen on Mac, you only need to follow a few simple steps. The opened applications can then be viewed next to one another.

Startup folder in Windows 10

How to change startup programs in Windows 10

Like all modern Microsoft operating systems, Windows 10 has a built-in feature that allows you to automatically run system programs, user-defined programs, service applications and processes. In this tutorial, you’ll learn how the startup folder works in Windows 10 and how to add or remove specific applications.

What is a bootloader?

Bootloader: What you need to know about the system boot manager

Whether you’re on a desktop PC, smartphone or tablet – without an operating system it would simply be impossible to use your device. It’s for this reason that the system software and the respective installation files are loaded immediately when the working memory is first supplied with power. This is made possible by bootloaders, which are activated directly by the firmware specific to the...


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