Category: Blog

Understanding eSIM (+ interview with an expert)

Let's talk about eSIM (the full name embeddedSIM — that is, embedded SIM) — SIM cards soldered into gadgets (unlike the usual removable SIM cards). We'll discuss how they are better than traditional SIM cards and why major mobile operators are resisting the adoption of this new technology. This article is written with support from EDISON. We develop applications for Android and iOS, and we can also take on […]

Creating a fault-tolerant IT infrastructure. Part 2. Installation and configuration of the oVirt 4.3 cluster

This article is a continuation of the previous one – "Creating a Resilient IT Infrastructure. Part 1 – Preparing for the Deployment of the oVirt 4.3 Cluster." It will cover the process of basic installation and configuration of the oVirt 4.3 cluster for hosting highly available virtual machines, given that all preliminary steps for infrastructure preparation have already been completed. Introduction The main goal of this article is to […]

L1DES (CacheOut) and VRS — new vulnerabilities in the microarchitectural structures of Intel CPUs.

Intel has disclosed information about two new vulnerabilities in Intel CPUs, caused by data leakage from the L1D cache (CVE-2020-0549, L1DES — L1D Eviction Sampling) and vector registers (CVE-2020-0548, VRS — Vector Register Sampling). These vulnerabilities belong to the MDS (Microarchitectural Data Sampling) class and are based on the application of side-channel analysis methods to data in microarchitectural structures. AMD […]

The TrafficToll 1.0.0 utility for selective traffic limitation of applications has been released.

The TrafficToll 1.0.0 utility has been released, positioned as a Linux alternative to the proprietary NetLimiter program for Windows. This program simplifies the process of setting bandwidth limits for individual local applications as well as already running processes. For instance, it allows you to reduce the bandwidth for a download manager while increasing it for a video chat. Settings are defined in a simple configuration text file. Incoming and outgoing traffic limits are applied at […]

A new ranking of the best antivirus programs for Windows 10 has been published.

AV-Test provided the results of testing the best antivirus programs for Windows. The site published a ranking for December 2019, showcasing the advantages of various protective applications. According to the published data, almost all antivirus programs provide a similar level of protection. The 'problematic' ones were eScan ISS and Total AV with 4.5 and 4 points respectively. The other solutions provided 5 and […]

Intel has joined the CHIPS Alliance and gifted the world the Advanced Interface Bus.

Open standards are gaining more supporters. IT giants are not only forced to reckon with this phenomenon but also to give their unique developments to open communities. A fresh example is Intel's transfer of the AIB bus to the CHIPS Alliance. This week, Intel became a member of CHIPS Alliance (Common Hardware for Interfaces, Processors, and Systems). As derived from the acronym CHIPS, […]

The DDoS protection company admitted that it itself launched DDoS attacks, acknowledged its founder.

By 2016, vDos became the most popular service in the world for ordering DDoS attacks. If conspiracy theories are to be believed, antivirus companies themselves spread viruses, while DDoS protection services initiate these attacks themselves. Of course, this is just fiction… or is it? On January 16, 2020, the Federal District Court of New Jersey found 22-year-old Tucker Preston, a resident of Macon, […]

PostgreSQL Antipatterns: hitting the dictionary with a heavy JOIN

We continue our series of articles dedicated to exploring lesser-known ways to enhance the performance of seemingly simple queries in PostgreSQL: a rare entry will make it halfway through JOIN Sisyphus JOIN arrays harmful JOIN and OR CTE JOIN CTE. Don’t think I dislike JOIN that much… 🙂 But often, without it, the query is significantly more efficient than with it. So today, let’s try […]

Three levels of auto-scaling in Kubernetes: how to use them effectively

To fully master Kubernetes, one must understand the various methods of scaling cluster resources: according to the system's developers, this is one of the main tasks of Kubernetes. We have prepared a high-level overview of the mechanisms for horizontal and vertical autoscaling and resizing of clusters, as well as recommendations on how to use them effectively. The article Kubernetes Autoscaling 101: Cluster Autoscaler, Horizontal Autoscaler, and Vertical Pod Autoscaler has been translated by the team, […]

A new outbreak of H2Miner worms exploiting Redis RCE has been detected.

A day ago, one of the servers in my project was attacked by a similar worm. In search of an answer to the question "what was that?" I found a wonderful article by the Alibaba Cloud Security team. Since I couldn't find this article on Habr, I decided to translate it especially for you <3 Introduction Recently, the Alibaba Cloud security team discovered a sudden outbreak of H2Miner. […]

Review of ONYX BOOX Note 2 — a reader with a large screen and maximum capabilities

It was probably easy to review the first e-books (readers) with screens using "electronic ink." A couple of phrases were enough: "The body shape is rectangular. What can it do? It shows letters." Now, writing such a review isn't as simple: readers have acquired touch screens, adjustable color tone backlighting, word and text translation capabilities, internet access, audio output, and installation options […]

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