Network

CSMA/CD - Carrier Sense Multiple Access / Collision Detection

CSMA/CD: Explanation of the process

Rules must be observed when communicating in a group. This is no different with local networks: CSMA/CD regulates how data packet collisions must be handled in a LAN network. But what happens if several participants attempt to simultaneously carry out a transmission and the information gets lost? Carrier Sense Multiple Access with Collision Detection is an important procedure for smooth network...

Arpanet | Definition & history of the internet predecessor

ARPANET: The internet in its infancy

Before the internet, there was Arpanet. In the beginning, the network was only four computers, yet, it was extremely important for the development of the digital world. During the Cold War, several American scientists and technicians created the cornerstones of a global network. Learn more about the interesting history of Arpanet and the network’s technical achievements.

Localhost

Localhost (127.0.0.1)

What do you need a localhost for? Sometimes it can be useful to communicate with yourself. This is known as a loopback in network technology: instead of feeding a request to the network – e.g. the internet – you instead keep it within your system, subsequently stimulating a network connection. We will explain how the connection to 127.0.0.1 works, and what you can use localhost for.

Set up ownCloud with Raspberry Pi

Creating a Raspberry Pi cloud server with owncloud

With ownCloud software, your Raspberry Pi can be used as a private cloud, performing the same kind of tasks as clouds from major providers such as Google, Amazon, and Dropbox. Cost-effectiveness is just one of many the benefits of creating your own personal cloud; another is the privacy and security of your data. This step-by-step Raspberry Pi cloud tutorial explains how to set up ownCloud.

Web stacks: the basics and examples

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...

How to set up a proxy server in your browser

How to set up a proxy server with Windows

Proxy settings can be established quickly and easily via the operating system’s control panel or browser menu. Discover exactly how to do this with our comprehensive step-by-step introductions for Windows 7, 8, and 10. A faulty proxy configuration can cause connection failures, but there are simple ways to detect the causes and rectify these errors.

What is a proxy server?

What is a proxy server?

A proxy server is a network component that provides an interface between a private network and the internet. A proxy makes it possible to have an influence on the data traffic, to cache packet data, and to conceal the identity of the communication partners by using different IP addresses.

Server operating systems: a history and overview

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...

NGINX: basics, installation, and set-up

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...

Slack – modern, in-house communication

What is Slack – what can it be used for?

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.


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