Tutorials

Raspberry Pi Plex

Raspberry Pi and Plex: how to turn a single-board computer into a media server

Plex is among the most popular and user-friendly solutions for creating a media server in your home network. In contrast to many other applications, which are often Windows-only, the Plex server is compatible with Linux, Mac, and even single-board computers like the Raspberry Pi. In this Raspberry Pi and Plex tutorial, you will learn what technical requirements must be fulfilled and how...

Set up your own Raspberry Pi mail server

Raspberry Pi mail server: using Raspberry Pi to manage e-mails

Why use e-mail servers from commercial e-mails service providers when you can just set up your own? You can create a private server easily and affordably with a small computer known as Raspberry Pi. Having your own e-mail server, however, requires a certain amount of work and also has its disadvantages. You can find out more about how to set up your personal Raspberry Pi mail server in this...

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...

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...

How to install an Apache web server

Installing and configuring an Apache web server

The Apache http server is the standard web server for providing HTTP documents on the internet. But did you know it’s also possible to install an apache web server locally on your Windows PC? This is a great method of testing out web pages and checking scripts. To get started, all you need is the free software package and a few minutes.

Reducing PDF size

Reducing PDF size: how to do it

The PDF is one of the most popular file formats, and with good reason – it is not only accessible across platforms, but is also extremely compact. If you use a large number of images and the PDF document is comprised of numerous pages, however, the file can quickly grow larger than desired. Firmware applications from Adobe, as well as free freeware programs and simple online tools, can help reduce...

Edit PDF Files

How do you edit a PDF document?

Intended as read-only, editing a PDF file isn’t always completely straightforward. If you don’t have the original file, you need a program to help you edit. Free or paid, online or offline: the internet offers a variety of alternatives. Although not all editors function in the same way. Here’s an introductory overview of the various applications out there and how to use them.

Docker tutorial: Installation and first steps

Docker tutorial: Installation and operation of the container platform

The open source container platform Docker is quite exciting to the open source community. As an alternative to hardware virtualization based on virtual machines, Docker has made the use of software containers acceptable outside of the Linux universe. In our tutorial for beginners, we break down the Docker trend from the ground up. With these clear, step-by-step instructions, learn how to install...

Progressive web apps | what advantages do they offer?

Progressive web apps | what advantages do they offer?

The app market has already produced several new and progressive app formats; conventional native apps were followed by the development of web apps and hybrid apps. But then what is a progressive web app (PWA)? Fundamentally, they are based on the concept of a web app that then takes the form of an app. But PWAs manage to go one step further, promising users the optimized use of a mobile device’s...

Deleting Instagram account

How to delete your Instagram account

An Instagram account only takes a few seconds to set up and can be deleted just as quickly – provided you know how. The function to delete the Instagram account is not so easy to find. We show you how to permanently remove all your images and videos from the web as well as social signs and comments on your content. Alternatively, Instagram also offers the option to temporarily disable your...