Administration Section
Due to the resource-hungry nature of Windows systems, lightweight Linux distributions like Mint, Colibri OS, Debian, or Ubuntu dominate in the VPS environment, being devoid of the unnecessary, bulky desktop environment for our tasks. As they say, only console, only hardcore! And indeed, this is no exaggeration: Debian can start with 256 MB of RAM and a single core clocked at 1 GHz, […]
Servers with processors based on the arm64 architecture are gradually becoming a part of our lives. In this article, we will demonstrate the unboxing, installation, and a brief test of the new TaiShan 2280v2 server. Unboxing The server arrived in an unremarkable box. The sides of the box feature the Huawei logo along with packaging labels. On top, you can see instructions for properly extracting the server […]
Greetings! Due to well-known reasons, we find ourselves spending more time at home in front of the monitor. In this situation, we tend to reminisce about the good old days. As the title of this article makes clear, we'll discuss setting up a Synology NAS as a game server. Achtung — this article includes many screenshots (the screenshots are clickable)! Before we begin, here’s a list of tools […]
The material for this article was taken from my Zen channel. Tone Signal Detector In the previous article, we created a signal level meter. In this one, we will learn how to detect a tone signal. In the old days, when not every household had a television, and half of them switched channels using pliers, an intriguing news item appeared in foreign tech press stating that one and […]
Ahead of the launch of the 'Linux Administrator' course, we prepared a translation of some interesting material. AIDE stands for 'Advanced Intrusion Detection Environment', which is one of the most popular systems for monitoring changes in Linux-based operating systems. AIDE is used to protect against malware, viruses, and to detect unauthorized actions. It is employed for file integrity checks and detection […]
Using Ceph as a network storage solution in various project load scenarios, we may encounter different challenges that, at first glance, do not seem simple or trivial. For example: migrating data from an old Ceph to a new one while partially utilizing previous servers in the new cluster; solving the issue of disk space allocation in Ceph. As we tackle such challenges, we face […]
Inventor of the canard, Gustav Lachmann, proposed in the late 1930s to equip the tailless aircraft with a free-floating wing located at the front of the wing. This wing was equipped with a servo control, which was used to adjust its lift force. It served to compensate for the additional pitching moment of the wing that occurred during flap deployment. Since Lachmann was an employee of Handley Page, the company owned the patent for […]
The material for this article is taken from my Zen channel. Creating a signal level meter In the previous article, we clarified the correct completion of programs using media streamers. In this article, we will assemble a signal level meter circuit and learn how to read measurement results from the filter. We will evaluate measurement accuracy. The set of filters provided by the media streamer includes a filter, MS_VOLUME, which is capable of measuring the root mean square level of the passing […]
Hello, Habr! In this article, we would like to talk about network infrastructure automation. A working network scheme will be presented, which operates in a small but very proud company. Any resemblance to real network equipment is purely coincidental. We will consider a case that occurred in this network, which could have led to prolonged business downtime and serious financial losses. […]
In the capital of the Netherlands and within a 50 km radius, 70% of all data centers in the country and a third of all data centers in Europe are located. Most of them opened literally in the last five years. This is quite a lot, considering that Amsterdam is a relatively small city. Even Ryazan is larger! It got to the point that in July 2019, the authorities of the Dutch capital, concluding that […]
Hello everyone, my name is Alexander, and I am a Data Quality engineer who deals with checking data for its quality. This article will discuss how I got to this point and why in 2020 this area of testing came to the forefront. Global Trend Today's world is experiencing another technological revolution, one of the aspects of which is […]
The professions of Data Scientist and Data Engineer are often confused. Each company has its own specifics in working with data, different goals for analysis, and varying perspectives on which specialist should handle which part of the work, leading to unique requirements. Let's explore the differences between these specialists, the business tasks they tackle, the skills they possess, and their earning potential. Material […]