Blog Section
Today, in IT infrastructure, with the widespread use of virtualization, storage systems serve as the core, housing all virtual machines. A failure of this node can completely halt the operations of a data center. Although a significant portion of server hardware has fault tolerance in one form or another 'by default', due to the specific role of storage systems within the data center, increased demands are placed on their 'survivability'. […]
The AMD Ryzen 3000 series processors hit the market two days ago, and initial tests have shown that they perform quite well. However, it appears they have some issues. Reports indicate that the ‘three-thousand’ series has a flaw that causes boot failures in the latest Linux distributions from 2019. The exact cause has not yet been disclosed, but it is presumably linked to an instruction […]
Good memory is an undeniable advantage for students and a skill that will undoubtedly be useful in life, regardless of your subjects. Today, we decided to start a series of materials on how to enhance memory — beginning with a brief overview: what types of memory exist and which memorization methods work reliably. Photo by jesse orrico — […]
Memory is an astonishing capacity of the brain, and despite being studied for quite some time, there are many misconceptions — or at least, not entirely accurate representations — about it. We will discuss some of the most popular misconceptions, why it’s not so easy to forget things, what drives us to ‘steal’ others' memories, and how fabricated recollections influence our […]
Siemens has released version 0.11 of the open-source hypervisor Jailhouse. The hypervisor supports operation on x86_64 systems with VMX+EPT or SVM+NPT (AMD-V) extensions, as well as on ARMv7 and ARMv8/ARM64 processors with virtualization extensions. A separate image generator for the Jailhouse hypervisor is being developed, which is based on Debian packages for supported devices. The project’s code is distributed under the GPLv2 license. The hypervisor is implemented in […]
It has been announced that all formalities have been settled and the sale of Red Hat's business to IBM is officially completed. The deal was approved by the antitrust authorities in the countries where the companies are registered, as well as by shareholders and boards of directors. The transaction amounted to approximately $34 billion, at a price of $190 per share (currently, Red Hat's share price is $187, […]
In addition to the early review of the Radeon RX 5700 series graphics cards, a review of the Ryzen 3000 processors was also published, although it was supposed to be released only on Sunday, July 7. This time, the German resource PCGamesHardware.de stood out, which, of course, soon removed the page with the review of the Ryzen 7 3700X and Ryzen 9 3900X processors, but screenshots of the charts with the results […]
Scanning documents over the network seems to exist on one hand, but on the other, it hasn't become a common practice, unlike network printing. Administrators still install drivers, and the setup for remote scanning is individual for each scanner model. What technologies are currently available, and does such a scenario have a future? The installed driver or direct access […]
Greetings, esteemed Hub residents and casual visitors. This series of articles will discuss building a simple network for a firm that is not overly demanding on its IT infrastructure but nonetheless needs to provide its employees with quality Internet connectivity, access to shared files, and VPN access to their workplace and […]
The international antivirus company ESET warns of a new malware program that threatens users of torrent sites. The malware is called GoBot2/GoBotKR. It is distributed under the guise of various games and applications, as well as pirated copies of movies and series. After downloading such content, the user receives files that appear harmless at first glance. However, hidden within them is the malware. The activation of the malware occurs after clicking […]
After two months of development, Linus Torvalds has released Linux kernel 5.2. Among the most notable changes are: case-insensitive mode for Ext4, separate system calls for mounting FS, drivers for Mali 4xx/6xx/7xx GPUs, the ability to process changes to sysctl values in BPF programs, the device-mapper module dm-dust, protection against MDS attacks, support for Sound Open Firmware for DSP, […]
In the published June 25 release of the Strong_password gem 0.7, a malicious change (CVE-2019-13354) was identified that loads and executes external code controlled by an unknown attacker, hosted on Pastebin. The total number of project downloads is 247,000, while version 0.6 has around 38,000. The number of downloads for the malicious version is listed as 537, but it is unclear how accurate this is, considering that […]