Windows

RabbitMQ

RabbitMQ: Quick message sending

There are many situations that require applications to communicate with each other in a quick and controlled way. RabbitMQ works as an intermediary between two services, and ensures a smooth distribution of messages. The two programs could even speak differing coding languages: this is not a problem for the message broker.

Windows won’t boot

Windows 7, 8, 10 will no longer start – causes and solutions

Every Windows user knows: No matter which version you use, the popular Microsoft operating system has its bad days. Sometimes these are so serious that the worst possible outcome happens: Windows won't boot anymore. You might think there’s nothing you can do, but don't panic: Boot problems and bluescreens can be solved quickly in most cases.

Windows Server 2019

Windows Server 2019: Important new features and improvements

Microsoft has released a new version of its operating system for servers, and Windows Server 2019 comes with improvements over the previous version. More security, more functionality, easier usability, more support for Azure, Kubernetes and Linux – Windows Server 2019 has exciting new features in store. What specifically are these changes?

Exchange server: Microsoft’s groupware at a glance

What is Exchange Server?

Microsoft Exchange Server is considered the standard solution for business e-mail traffic and computer-supported collaborative work. The software has many different usage models of available and these require purchasing special licenses. We’ll show you the licensing model here and give you an overview of the different functions of the collaborative software.

Setting up server backups with rsync

Server Backups with rsync

A server backup is the best method for securing the data of your online projects, thereby preventing any damaging losses. Server environments are especially in need of cleverly devised backup strategies that take every type of device into account. Here, backup programs become essential. Free applications, like rsync, offer reliable and compelling alternatives to their expensive conventional...

Hosts File

What is the hosts file and how do you edit it?

The hosts file used to resolve website names so that certain IP addresses could be accessed. The method was largely replaced by the DNS (domain name system). However, the hosts file is still indispensable for local networks. In addition, certain rules can be set for websites e.g. to block them. We show you where you can find and edit the hosts file in your operating system.

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.

Introduction to netstat

What is netstat?

Various computer networks are connected with one another via the internet. In order to build up such connections, both the sending as well as the receiving systems have to provide transfer interfaces, or ports. Netstat allows you to find out which ports are opened by your own system and which active connections exist — all of this helps reduce the risk of undesired access attempts.

Ping Command

How to use the ping command in Windows

The ping command line program is available to you on all current operating systems. Using a step-by-by step tutorial, we’ll show you how you can activate ping in Windows via the command prompt and how to employ the tool for network diagnostics to verify the connection between two computers.

Continuous Ping

Continuous ping in Windows, Linux, and MacOS

The ping command line program is among the basic tools for network diagnostics on all relevant systems. In Linux and MacOS, ping is already run in the default configuration as a continuous ping. In Windows, the program must first be activated with the appropriate parametres for continuous tests. We’ll show you what to take into consideration when you do this.


General

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