MOOC – the online education platform

MOOC opens the door to a new era of learning. Massive open online courses give everyone with internet access the opportunity to receive education at...

What is Chrome 68?

Early next month, Chrome 68 will be launched and the new browser will distrust all webpages that do not have HTTPS encryption as “not secure”. This is...

Selling online: the top English-speaking online marketplaces

You want to sell online – but where? If you don’t want to be entirely responsible for your own online shop, then you should offer your products on...

Flush DNS: how to clear your DNS cache

Various operating systems, such as Windows or macOS, automatically save information about address resolution from systems and applications in the network in a DNS cache. For Linux there are also corresponding services, though they have to be installed by the user. The purpose of this practical cache is to speed up network traffic, which is particularly important on the internet. Why it’s useful to...

ERR_CONNECTION_RESET: how to fix the 101 error in Chrome, etc.

If you can’t connect to the website you want to access, an error message will be displayed listing possible causes. Sometimes these aren’t of much help. For example, the message “ERR_CONNECTION_RESET” simply reveals that the connection has been reset, however the reasons why and possible solutions are not given. We explain why the error occurs and how to fix ERR_CONNECTION_RESET.

ERR_CONNECTION_CLOSED: How to fix the connection error

If Chrome displays the message "ERR_CONNECTION_CLOSED" instead of the website you want to access, it means that the contacted server has interrupted the connection. Reloading the URL is often not enough to fix the problem. Unfortunately, determining the source of the error is anything but a simple task. To fix the "ERR_CONNECTION_CLOSED" error, you need a good amount of patience.

View old website versions: a look at the Wayback Machine and two alternatives

You want to find old versions of websites? Travel back in time with us - almost to the dawn of the internet. Or perhaps you’d rather visit your own old website to track its progress. If you save your website in a web page archive, the contents are not lost and can still be viewed years later. Archives like the Wayback Machine are an amazing resource for all web users- whether SEO experts,...

Fog computing: decentralized approach for IoT clouds

Traditionally, cloud solutions are designed for central data processing. IoT devices generate data, send it to a central computing platform in the cloud, and await a response. However, with large-scale cloud architectures, such a system inevitably leads to bandwidth problems. For future projects such as connected cities and smart manufacturing, classic cloud computing is a hindrance to growth. The...

An introduction to virtual machines

Virtual machines are extremely practical and versatile: Do you want to set up an isolated test environment, run a Linux application on your Windows computer, or provide different operating systems for cross-platform software tests? With the right virtualization software and an appropriate image file, this is easy. We will introduce you to the basics of hypervisor-supported hardware virtualization...

Golang: the simple programming language from Google

Google is best known for its search engine, but also for services like AdWords, Maps, or Gmail. Since 2012, the mega-corporation has had its own programming language in its product range: Go. Also known under the name Golang, it has drawn attention to itself through its simplicity. But how does it differ from established representatives like C++ or JavaScript? And when does it make sense to...

Ads.txt: what’s the function of the file?

Ads.txt is meant to help fight a scam in programmatic buying: the scam of domain spoofing. The underlying concept is as simple as it is efficient: publishers are given more control over who can trade their ad space, and control this via a simple text file. We explain what this file is all about, how you can easily create an ads.txt file yourself, and how you can make sure that it’s working as...

Using, creating and customizing Word styles

It’s often very time consuming to format each and every heading of a document individually, especially for lengthy, complex documents. Font, font size, font color – these features, among others, must be consistent within a document to achieve a uniform layout. Word styles allow you to easily format and edit a text, making significant and otherwise tedious adjustments to features such as a table of...

Google News: submitting and optimizing your website

Google News is the world's most popular news search engine. Submitting your website to Google News can immensely boost the success of your website. Registering for Google News is far from easy and requires careful optimization of your website while following Google News guidelines – but the effort really pays off. The 1&1 guide to Google News will show you how it works and how you can optimize...