Network

Slack – modern, in-house communication

What is Slack? This program with its memorable name is used for internal company communication but what exactly can Slack do? And is it worth switching over to it? We outline some of Slack’s key features so you can decide for yourself whether the new Silicon Valley program might be something for you or your company.   

The best WhatsApp alternatives

Invitations to dinner parties; updates about work; an away day with the college football team: if you’re not using WhatsApp, you run the risk of missing out on important information. With more than a billion worldwide users to date, the app is more popular than almost any other on the market. But this networking comes with its disadvantages too: the main one being that WhatsApp shares user data [...]   

Terminal Servers – the Secret Behind Remote Hosts

In the days of mainframe computers and the first smaller networks, terminals were a crucial building block for sharing hardware and software resources. It is no coincidence that terminal servers – the central administrative entity of such networks – are in demand decades later, now that applications are to be made available to multiple users.   

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 [...]