Linux

Bare metal servers | definition and structure

Bare metal server – dedicated hardware for high-level web projects

Bare metal – the latest product on the web hosting market evokes power from its name alone, and not for nothing: servers with this nickname focus on high-performance hardware. With a bare metal server, the user's access extends practically down to the bare metal. Software components based on this product are subject to user control and can be installed and configured according to individual...

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.

DNS server not responding – what’s next?

DNS server unavailable? Here’s what to do

‘DNS server not responding’ is a typical error response on Windows. Its presence indicates that some sort of problem is occurring with your internet connection. This phenomenon can be the result of many different causes. In addition to network problems, routers, Windows Firewall, and the web browser are also taken into account when troubleshooting.

XAMPP tutorial: create your own local test server

XAMPP tutorial: installation and first steps

The software packet XAMPP is a collection of popular applications like the web server Apache, a leading database management system (either MySQL or MariaDB), the scripting languages PHP and Perl, and more – all together in a compact test server. Our XAMPP tutorial will take you through the installation and configuration process, with the aid of clear instructions and screenshots, to help you set...

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.

Linux editor: effective code editing with Vim

Linux editor with a vast range of functions – Vim

In order to edit text files or receive source codes from software or websites, you require a text editor. Whether you’re using Linux, Windows, or Mac: the majority of operating systems these days already have them installed by default. There are also editors like Vim, which have a wider range of functions and simplify working with the confusing lines of code.

Solr

Solr: the powerful search platform from Apache

What exactly is Solr? The answer to this question lies in our article. In combination with the Java library, Lucene, Solr can be used to build powerful web search engines. Do you need to index your documents? Solr will take care of this. First, we explain the basic terms of practical open source software and its functions. In our Solr tutorial, we’ll explain how to set up the search platform. In...

Apache Hadoop: the framework for Big Data

Apache Hadoop: distributed storage architecture for data quantities

Are you looking to execute complicated computing processes with large amounts of data? This is exactly what the Big Data framework, Hadoop, focuses on. The open source Apache software offers a Java based frame with which various Big Data applications on computer clusters can be parallelised. Hadoop’s modular expandability, which offers users an enormous range of functions, is a particularly...


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