Server operating systems: history and today’s situation

Operating systems have gone through some major changes over the years. While their beginnings are rooted in more humble, purely text-based user interfaces, today’s options have evolved into complex software packages with graphical interfaces, comprising an elegant go-between for hardware and software applications. Users, who have long since been equipped with a keyboard and mouse, are able to [...]   

VPN — secure data transfer through public networks

VPN implementations offer an affordable alternative for locally connecting networks, as well as making network resources available for external devices. In contrast to corporate networks, no private communication network is required. Instead, like the internet, VPNs rely on networks, and protect sensitive data through a process known as tunneling.   

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 [...]   

NGINX — the quick and efficient web server

For years, Apache had been the uncontested go-to web servers and comprised the basis of most websites published in the World Wide Web. The increasing technical requirements of modern web projects and the growing demands and expectations of internet users has brought on a sea change of sorts. Alternatives like NGINX are becoming ever more popular and are slowly creeping up on the classic server [...]   

What is a web server? And which web server software is there?

The equation is simple - without it, there’s simply no web content: when a web server is out of order, then it’s no longer possible to call up any websites that are connected to it. Web servers are what allow online presences to reach the internet in the first place. But just how do these systems work? Which functions do the programs responsible for this task offer? And what’s an example of a good [...]   

Web stack—the software framework for web development

Terms like web stack or web application stack refer to software packages that are used to develop and operate websites and web applications. The most well-known example of this technology, the LAMP stack, has witnessed increasing competition through the likes of JavaScript-based framework bundles, which feature unified programming languages for servers and clients. This gives them a considerable [...]   

Demilitarized zones: internal network protection

Companies hosting their own websites, an online shop, or e-mail inboxes should make sure to separate the corresponding server of these from the local network. This makes it possible to protect devices within the company network from hacker attacks that take place on public networks. Solid protection comes in the form of a demilitarized zone, which separates endangered systems from sensitive [...]   

Network attached storage (NAS): the basics of network storage

Growing sums of data require cost-effective, high-performance storage solutions. One option for fulfilling this requirement is a network attached storage. In business contexts, this model has already established itself as a viable alternative to file servers, hard drives, and the cloud. Private users have also caught on and use NAS systems at home. But what is a NAS? Read on, and we’ll show you [...]   

Malicious software: how to recognize, remove, and prevent malware

Practically every PC user fears Trojan horses and computer viruses. Security is paramount if you are managing sensitive data or setting up a server. You need a comprehensive security concept to protect yourself against insidious malware. It’s helpful to know the different types of malicious software that exist, and how to combat and safely remove them.   

How to use FileZilla: a tutorial on the popular FTP client

FileZilla is considered to be a standard software for transferring data between locally connected computers and online servers. The network protocol is able to transfer via FTP and its encrypted variants, SFTP and FTPS. We’ve created an overview of the client program’s features and break down the details of this program from installation to data transfer.