Category: Administration

Archaeologists of the Digital Age

The world of analog devices has practically disappeared, yet information carriers still remain. Today, I will talk about how I faced the necessity of digitizing and storing data from my home archive. I hope that my experience will help you choose the right devices for digitization and save money by doing the digitization yourself. "— And what is this? — Oh, this is really cool, Comrade Major! Look at this: this […]

PIFu - a machine learning system for constructing a 3D model of a person based on 2D images

Parallels Product Manager Yevgeny Korepanov talked about the most interesting features of the application delivery solution and virtual desktop infrastructure Remote Application Server, as well as its key competitive advantages. Here’s the story in the first person. Enjoy! Parallels RAS enables remote delivery of everything that runs on Windows servers and desktops to client devices. This is the very reason our product exists. It doesn't matter, […]

Configuring L2TP Authentication using RUTOKEN EDS 2.0 and RUTOKEN PKI

Issue Recently, many people were unaware of what it was like to work from home. The pandemic drastically changed the situation globally; everyone began to adapt to the new circumstances, particularly that stepping outside became quite unsafe. Many had to quickly arrange for their employees to work from home. However, the lack of a competent approach in choosing solutions for […]

How we held an online dance ball

The Great Sevastopol Officers' Ball traditionally takes place in June, but this time the preparations didn't go as planned. The organizers decided to launch the "Sevastopol Online Ball." Since we've been broadcasting the event for several years now, there was no turning back. Viewers on Facebook, VKontakte, and YouTube, 35 couples dance from their homes. Over time, while engaging in online broadcasts, we've noticed a trend that […]

How Avito identifies fraudsters and combats fraud

Hello, Habr. I'm Igor, the head of the team that fights against fraudsters on Avito. Today, we will talk about the ongoing battle with the scoundrels who try to deceive, and sometimes do deceive, online shoppers using product delivery. We have been combating fraud for a long time. Today's fraudsters deceive people by imitating interfaces and functions of online trading platforms. For example, they concoct schemes involving courier delivery on marketplaces. In January 2020, ready-made instructions appeared on the internet […]

What to do if siloviki come to your host?

KDPV — Reuters If you rented a server, you do not have full control over it. This means that at any time, specially trained individuals can approach the host and request any of your data. And the host will provide it if the demand is legally formalized. You definitely don't want your web server logs or user data […]

The moral aspect of the 'Barmin patch'

On June 10, the same joke about the script that deletes data from a production system flew through the chats yet again. And I have a question — does the community even understand what is happening and who is to blame? So, here is the situation. Vasya, the in-house sysadmin, is taking care of the infrastructure for a certain business. And he is not very smart. Vasya faced a problem and went to […]

A Deep Dive into the Principles of Wi-Fi 6: OFDMA and MU-MIMO

In its developments, Huawei is focusing on Wi-Fi 6. Questions from colleagues and clients regarding the new generation of the standard prompted us to write a post about the theoretical foundations and physical principles underlying it. We will transition from history to physics, thoroughly examining the necessity of OFDMA and MU-MIMO technologies. We will also discuss how the fundamentally redesigned […]

OpenShift virtualization: containers, KVM, and virtual machines

OpenShift virtualization (upstream project – Kubernetes: KubeVirt, see here and here), originally known as Container-native Virtualization, has been introduced as a feature of the OpenShift platform designed for deploying and managing virtual machines (VMs) as fundamental entities of Kubernetes. This type of task is technically complex due to the fundamental differences in technologies. To achieve the set goals, familiar […]

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