Operating Systems

Module tests in software development

Software quality assurance: module tests

Module tests are one of the most effective methods of identifying as many errors in the source code as possible early on in the software development process. The special feature: the smallest isolatable components of a program are placed in a neutral test environment. If errors appear, it’s obvious they are occurring in the module being tested, which makes them easy to correct.

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 virtualizsation 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...

Server Containers: virtualisation without emulation

Application containers: the next generation of virtualisation

The introduction of Software containers is widely regarded as a revolution in server administration. The idea of isolating applications in virtual runtime environments is nothing new, but with platforms like Docker, users can enjoy extensive functionality, which facilitates working with server containers. So, what exactly can application containers do?

Linux vs Windows – the big server check

Linux vs. Windows: a comparison of the best web server solutions

The duel between Linux and Windows may have an obvious victor on the home computer front, but the battle for server use paints a very different picture: since the beginning, Linux has defeated Windows, as usage figures show. But many users remain unconvinced by statistics and rightfully ask the question: what are the actual differences between the two platforms?

Server failure – what to do?

Server failure: risks, consequences, countermeasures

Server failures can be devastating for businesses, especially if central business areas are controlled by IT systems since the longer the server is down, the costlier is it for the company. This can result in loss of sales and in the worst case, the loss of business or customer data. Here we demonstrate the internal and external sources of danger that can lead to server failure, explain the...

Windows CMD commands

Windows command prompt: CMD commands explained

There are more than 200 CMD commands available with Windows. The command prompt can be used to control large parts of the operating system, computer, or drives. You can also use the Windows “command prompt” commands to organise your files or run network tasks. To do this, though, you have to know the right commands. Here we explain how to use CMD commands and which functions they have. Our article...

Screenshots on Mac and Windows

The best screenshot tools at a glance

What exactly is a screenshot? How do you create one? And how do the different screenshot shortcuts work when trying to create screenshots on Mac and Windows? Besides the built-in features on operating systems, what are the other, third-party options when it comes to screenshot tools? We’ll take you through our introductory guide to making screenshots and the best keyboard shortcuts and screenshot...

Best cloud storage providers

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...

Hostname

All you need to know: what is a hostname?

A computer’s unique name on a network is the hostname, site name or computer name. The hostname is part of the fully qualified domain name, which can be used (for example) to find and access websites on the internet. Here you’ll learn what a hostname looks like, and we’ll show you various ways to determine the hostname using an IP address or how to change it.