Apache Hadoop: the framework for Big Data
Apache Hadoop
  • Know-how

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 parallelized. Hadoop’s modular expandability, which offers users an enormous range of functions, is a particularly...

Apache Hadoop
An Overview of SaaS (Software as a Service)
What is SaaS (Software as a Service)?
  • Know-how

Software as a service, or SaaS for short, is an increasingly popular option for cloud computing. With SaaS, you use software over the Internet instead of installing it on your hard drive. This offers considerable advantages, especially for companies. As with other cloud services, there are also various concerns about data security. What exactly SaaS is, where the advantages and disadvantages of...

What is SaaS (Software as a Service)?
What is file storage?
File storage: An explanation of the classic file system
  • Know-how

Not all memory is the same: Different methods may be particularly suitable for companies, and each of them has different characteristics. Classic file storage has its disadvantages, but the system is still popular – despite more modern competitors. How does file storage work and what are the advantages of the method?

File storage: An explanation of the classic file system
Trivial File Transfer Protocol
TFTP (Trivial File Transfer Protocol) – File Transfer Protocol made simple
  • Know-how

The Trivial File Transfer Protocol (TFTP) is one of the oldest and simplest network protocols. It allows two systems to exchange files on the local area network without having to establish a connection beforehand. To do this, TFTP uses the connectionless transport protocol UDP, which serves as an alternative to the more common yet more complex TCP. What other features set the TFTP protocol apart,...

TFTP (Trivial File Transfer Protocol) – File Transfer Protocol made simple
Setting up a Minecraft server with a dedicated server
How to host your own Minecraft Server
  • Know-how

Many Minecraft gamers need or want to use their own servers. Hosting your own Minecraft world is the only way users are able to adjust the general settings of the online multiplayer mode. Setting up a personal Minecraft server isn’t as daunting as it sounds, however. Find out just exactly how it works and what type of server is best suited for hosting Minecraft.

How to host your own Minecraft Server
Use PostgreSQL with Ruby on Rails on Ubuntu
How to Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 16.04
  • Know-how

Learn how to use PostgreSQL with your Ruby on Rails application, instead of the default SQLite database. SQLite is an easy-to-configure, lightweight product which ships with Ruby on Rails by default. However, PostgreSQL is a more robust solution which provides more advanced features, scaling, and stability, which may make it more suitable for your Ruby on Rails project.

How to Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 16.04
PostgreSQL Could not connect to server Error
PostgreSQL “Could not connect to server” Error: How to troubleshoot
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One of the most common errors that occur when using PostgreSQL is the “Could not connect to server” error that results in a refused connection. Usually, the error can be fixed by taking just a few simple steps. In this article, we will show you how to fix a PostgreSQL that cannot connect to the server in Linux. Read on for more.

PostgreSQL “Could not connect to server” Error: How to troubleshoot
PostgreSQL vs. MySQL
PostgreSQL vs. MySQL
  • Know-how

Many web developers will already be familiar with MySQL as a relational database management system (RDBMS). Those managing more professional projects may be aware of its powerful competitor PostgreSQL. But did you know the latter is an object-relational database management system (ORDBMS)? Find out what this difference means in practical terms.

PostgreSQL vs. MySQL
How to check Debian version
How to check Debian version: the quick and easy way
  • Know-how

Knowing which Debian version you have not only helps you to choose the right install package for a program – you also need it to get appropriate support in forums. There are several different methods to check your Debian version. In this step-by-step guide, we’ll explain how to check your version using Terminal and Hardinfo.

How to check Debian version: the quick and easy way
NGINX vs. Apache: A web server comparison
NGINX vs. Apache
  • Know-how

Apache vs. NGINX – while one is said to be bulky and unwieldy, the other is considered slim and high-performance. But can we be this general? In fact, both web servers are based on fundamentally different concepts when it comes to connection management, interpretation of client requests, or configuration options. The range of functions also display clear differences in software alignment. While...

NGINX vs. Apache