Network

NGINX vs. Apache: A web server comparison

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 [...]   

Securing a server: correctly configuring Linux, etc.

If you operate or rent your own server, it is your responsibility to protect it against failures and external access. You can immediately begin to set the foundation for this when configuring the server, if you have the necessary administrative rights. The correct settings can work wonders, especially with encrypted remote connections via SSH protocol, and greatly increase security.   

Social intranet – what is it?

One of the most important parts in modern, digital corporate structures is the networking of individual departments and employees. Whether SMEs or large corporations, passing on information, knowledge, and feedback at a snail’s pace, not only slows down the daily work processes, but also has a negative effect on the company’s progress and development. Social intranets are therefore being used more [...]   

Free dynamic DNS providers: An overview

You would like to access your home computer, but don’t know how? Does your home network with its constantly changing IP addresses jack up your monthly bill? Dynamic DNS services (DynDNS) can help you out. Find out which DynDNS providers are the best and what the advantages and disadvantages of each are in this overview.   

What does ‘502 bad gateway’ mean?: Explanation and solution

HTTP status codes emerge when something isn’t running properly on the internet. In this respect, the 502 Bad Gateway error is no exception. But this familiar error message can be particularly tricky: It’s not actually clear where the source of the problem lies. In the chain of gateways along which internet requests run, the error could occur at a number of different points. This article explains [...]   

What is a root server? Definition and background

When you call up a website, the entered domain first needs to be turned into an IP address and read out from the browser so that the page can finally appear in the browser. This process is known as name resolution. Here, the root name server or (DNS) root server in the domain name system plays a key role. But what is a root server? And what exactly goes on when they receive requests for [...]   

Skype alternatives | 13 other video chat programs

For millions of people around the world, video chats and conferences are an essential part of daily life – for both work and leisure. When it comes to video telephony software and applications, Skype is by far the leader of the pack. In fact, many people are unaware that there’s a considerable number of good alternatives to Skype on the market, which are also available free of charge. Some of [...]   

LinkedIn ads: B2B marketing in the business network

LinkedIn is the first port of call for global B2B marketing. Contrary to Facebook, Instagram, or Pinterest, you can reach the community in your business network on a professional level instead of through funny videos. LinkedIn ads give you multiple formats to choose from to address your target group. From content marketing to classic banner advertisements: We explain what the various options are [...]   

How to make your Raspberry Pi into a DNS server

Without the domain name system, surfing on the internet would be much more difficult, as we would have to memorize a lot of IP addresses. With the help of DNS servers, we can instead use a memorable domain name to access our favorite website. Find out how you can set up your own DNS server and learn more about the basics of the World Wide Web. All you need is the minicomputer Raspberry Pi and an [...]   

The different network types

When several computers are connected to one another it is known as a network. Networks enable data exchange between different devices, making shared resources available. Different network types are implemented depending on which transmission techniques and standards are used. These differ in terms of the number of connected systems and potential reach.