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LATEST HOW TO’s

Mail server DNS records – setup and configuration explained

If you want to run a mail server on the public internet, you need to set up your DNS records correctly. While some DNS records are necessary to send and receive emails, others are recommended to build a good reputation. Why is that so important? Because Spam-Mails are a big problem most public mail servers just reject mails…

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Automated virtual machine deployment with Vagrant

Sometimes you just want to quickly set up a testing or development environment. Typically, you download the .iso, create your machine, boot, and complete the installation process. If you’re doing that many times, it can really get annoying. Wouldn’t it be cool, to just automate that whole virtual machine deployment? Fortunately, there is such a…

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create your own VPN server with WireGuard in Docker

In this tutorial, I will show you how to easily create your own private VPN server with WireGuard running in a Docker container. I will walk you step by step through the installation, configuration, and how to add clients to your VPN server. You can follow this tutorial with any Ubuntu- or Debian-based Linux distro….

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What tech skills you need to learn in IT?

One of the questions people always ask me is: “What tech skills should I learn to be successful in IT?”. To be fair, this question cannot be generally answered. That is because IT is such a vast topic with many different flavors. You will find lots of different types of jobs like consulting, engineering, administrator, development, and so on. And…

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Linux vs Windows vs Mac OS – which is the best Operating System?

If you have ever asked yourself the question “Which is the best Operating System for me if I want to become an IT professional?”, here is the answer. I will give you a brief overview of the main differences of the most common Operating Systems “Linux”, “Windows” and Mac OS. And finally you may decide for yourself, which is the…

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6 simple steps to make your webserver more secure

Do you want to make your webserver more secure? Look carefully at your web server security to prevent your server from being abused by attackers! Security breaches on webservers can be a big threat to people and companies. If you are running a webserver on the internet, you are always a target of attacks. But don’t worry, there are some…

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WireGuard vs OpenVPN and IPSec – Which one is the best?

WireGuard is currently the most interesting upcoming technology for VPN solutions. How does it compete with well-established protocols like OpenVPN or IPSec? Is it an enterprise-ready solution yet? I will explain how WireGuard works and what are the benefits compared to other VPN solutions. And if you have not heard yet about it, it will be very interesting for you!…

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Best Linux distro for beginners (2020)

This is one of the most asked questions by beginners when they start to learn Linux. People are always recommending their personal favorite. You may have heard a lot of different answers and options. But what is the real best Linux distro for beginners? After reading through this blog post you will know the answer, no matter what your requirements…

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Which python editor should I use? (2020)

Python is a very simple and straightforward programming language. But Python is also very powerful and as your project starts to grow it can be complicated to maintain your source code without a proper editor. So which python editor should you use? If you are searching for a perfect editor for python, you are in the right place. I have…

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