Single sign-on

Single sign-on – one-time registration for everything, please!

Online activity could be so simple – just enter your access data once and automatically be logged in for all accounts and services on the web, instead of having to remember dozens of passwords. This is, in fact, a reality for many websites, and the process is called SSO – single sign-on – and is becoming ever more popular among private and professional users. But what are the benefits of SSO, and...

OAuth

OAuth & OAuth 2: data usage across platforms

The “pathway to hell” – this is how Eran Hammer-Lahav once called the security protocol OAuth 2.0, on which he himself had worked for years. Others, however, use the service without issue. It enables users to use data and functions across multiple platforms in multiple services – for example, with the convenient single sign-on – using secure API authorization. But how exactly does OAuth2 work and...

Kubernetes vs. Docker

Kubernetes & Docker: Friend or foe?

If you’re happy with Docker and are already using the container visualizer, you might have thought about trying Kubernetes. But are these two systems actually rivals? Is it a case of Kubernetes vs. Docker? On the contrary, both work really well together. But the container pioneer now also offers its own tool for orchestration with Docker Swarm. So, which is better?

What is Kubernetes?

Kubernetes: what can this tool do?

Container technology has revolutionized software development. However, working with multiple containers at the same time can quickly become confusing. Kubernetes provides a solution to this. This orchestration tool allows developers to monitor all containers, effectively scale them and automate lots of work processes. How does Kubernetes do this?

Kubernetes Tutorial

Kubernetes Tutorial: First Steps

Kubernetes helps you manage containers – if you know how it works. But the first steps in particular can often be difficult. We explain the installation and most important features in our Kubernetes tutorial simply and concisely. Learn step by step how you can create a cluster and work with deployments.

Opening ZIP Files

Opening ZIP Files

ZIP is the standard container format for archive files. Even when sending lossless-compressed files, ZIP is usually the format of choice. Generally, anyone can open ZIP files. Suitable tools are offered by all common operating systems. However, special ZIP programs such as WinZip, WinRAR, and 7-Zip provide a greater range of functions.

Elasticsearch

Elasticsearch: the flexible search engine

If you work with large amounts of data, you’ll need a powerful search engine. Elasticsearch offers you a full-text search that you can configure so that it is perfectly tailored to your needs. But first you have to understand the principle behind it – what is Elasticsearch?. In this Elasticsearch tutorial we’ll explain the first steps in using the search engine, from installation to creating a...

Linux vs. Windows

Windows vs. Linux: a comparison

Most PC users are only familiar with Windows in its various versions, but there are alternative operating systems on the market. Linux distributions offer many advantages compared to Microsoft’s product. Nonetheless, there are many things to take into consideration before switching. So, who should you fight for in the great battle – Linux or Windows?

What is block storage?

Block storage: What is block storage?

Save your file and voilà! When deciding on a storage method, many users concentrate on the amount of space provided and don’t take anything else into account. However, there are a vast array of storage options, each with their own qualities. Let’s look at block storage. How does block storage work and what are its advantages?

What is file storage?

File storage: An explanation of the classic file system

Not all memory is the same: Different methods may be particularly suitable for companies, and each of them has different characteristics. Classic file storage has its disadvantages, but the system is still popular – despite more modern competitors. How does file storage work and what are the advantages of the method?

Server

1&1 IONOS Server Guide: professional tips on configuration and administration

Servers are what make up the physical basis of the internet. Setting up your own professional site, putting products online for sale, or connecting multiple company locations with one another: all of these tasks require the support of high-performance computers. And it doesn’t matter if you purchase hardware resources for your own data center or opt for the flexibility of cloud services: operating a server comes with the challenge of independently configuring and administering hardware components. But don’t worry, there’s a lot of support out there for these tasks. In the Server Guide of 1&1 IONOS’s Digital Guide series, you’ll find regular articles, news, and tutorials on how to operate this indispensable component of today’s IT infrastructure.

Server information for businesses, developers, and tech hobbyists

Packed with practical tips, our guide covers a wide spectrum of topics primarily aimed at mid-sized companies, freelance developers, and tech hobbyists. While some articles, like ‘What is a server?’ or ‘DNS – name resolution online’ cater more to beginners, experts are by no means left hanging; there’s a wide range of detailed texts and tutorials on important tasks like choosing the best operating system, filling security gaps, or getting the best possible performance out of your software and hardware.

What you can expect in the 1&1 IONOS Server Guide

If you take a look, you’ll notice our guide is divided into four different subcategories, each covering a different topic. The ‘KnowHow’ area sets out to familiarize beginners with the basics of operating a server. Details on different server types and how to use them are also laid out here. Tips and tricks on managing server software is found under the keyword, ‘Configuration’. The category, ‘Security’ is all about dealing with potential problems server operators may encounter from online threats. Conventional methods of attack, like viruses, worms, and Trojans, and what you can do to combat them are explained here. And the category, ‘Tools’, provides useful guidance on what resources can help make administering your server a more manageable task.


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