Blog Section
Part 1. About CPU In this article, we will discuss RAM performance counters in vSphere. Memory issues in VMs are typically more noticeable than CPU ones: if performance problems arise, they are hard to miss. However, once they appear, managing them becomes much more difficult. But let's address everything in order. A bit of theory RAM […]
A recent article effectively highlights trends in machine learning over the past few years. In short, the number of startups in the machine learning field has sharply declined over the last two years. So, let's analyze whether "the bubble has burst," how to move forward, and discuss the reasons behind this downturn. First, let's talk about what was the booster for this trend. How did it come about? Perhaps everyone will recall […]
A corporate conflict arose on June 10, 2019, due to the rising cost of SMS delivery to users on the VimpelCom network by Mail.RU Group. In response, Mail.RU Group stopped "servicing" direct Russian IP channels towards the VimpelCom network. Below is a brief analysis of the situation from a network engineer's perspective. Update: June 14, 2019, 18:45 — focus on Russian routes to the VimpelCom network, conclusions adjusted, additional explanations added by Sergey […]
Dear friends, in previous articles, we discussed — what wisdom teeth are and how the removal of these teeth occurs. Today, I would like to diverge a bit and talk about implantation, specifically immediate implantation — when the implant is placed directly into the socket of the extracted tooth, and about sinus lifting — increasing the volume of bone tissue […]
On June 11, 2019, the developers of the Matrix.org Foundation announced the release of Matrix 1.0 — a protocol for implementing a federated network based on a linear event history within a directed acyclic graph (DAG). The most common application of the protocol is the implementation of messaging servers (such as the Synapse server, Riot client) and the 'connecting' of different protocols through bridges (for example, implementation on libpurple [...])
Security researchers from Cybereason have warned mail server administrators about a mass automated attack exploiting a critical vulnerability (CVE-2019-10149) in Exim, discovered last week. During the attack, attackers gain code execution with root privileges and install malware for cryptocurrency mining on the server. According to the June automated survey, Exim holds 57.05% market share (year [...])
I can be considered a victim of training sessions. Throughout my career, I've attended more than a hundred seminars, workshops, and coaching sessions. I can affirm that not all the courses I have taken were useful, interesting, or important. Some of them were outright harmful. What motivation do HR professionals have to teach you something? […]
Catch me if you can. This is what they say to each other. Directors catch their subordinates, those catch regular employees, but no one can catch anyone else. In fact, they don’t even try. For them, the main thing is the game, the process. They go to work for this game. They will never win. I will win. Rather, I have already won. And […]
The release of Endless OS 3.6.0 has been prepared, aimed at creating an easy-to-use system where users can quickly find applications to their liking. Applications are distributed as self-contained packages in Flatpak format. The size of the provided images ranges from 2 to 16 GB. The distribution does not use traditional package managers, instead offering a minimal, atomically updatable base system, […]
Hello, Habrahabr. Recently, I have frequently encountered misunderstandings among Russian users regarding contactless payments in cheap wearable electronics and the role of the NFC chip in this functionality. Various news resources play a significant role in this, as their authors thoughtlessly (or perhaps intentionally, for clickbait) copy and paste from one another, coming up with interesting features. The situation worsens with the announcements of new [...].
As a reminder, the Elastic Stack is based on the non-relational database Elasticsearch, the Kibana web interface, and data collection and processing tools (the most famous being Logstash, various Beats, APM, and others). One of the nice additions to this entire stack of products is data analysis using machine learning algorithms. In this article, we explore what these algorithms represent. Please read on. Machine learning [...]
Some time ago, I wrote a comparative test of 4G routers for summer houses. The topic proved to be in demand, and a Russian manufacturer of devices for 2G/3G/4G networks approached me. It was particularly interesting to test the Russian router and compare it with the winner of the previous test – Zyxel 3316. I will say right away that I always try to support domestic manufacturers, especially when the quality [...]
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