Heading: Administration

Happy Radio and Communication Day! A short postcard about

If you turn to an ordinary person, he will probably say that radio is dying, because in the kitchen the radio point has long been cut off, the receiver only works in the country, and in the car your favorite tracks are played from a flash drive or an online playlist. But you and I know that if it weren’t for the radio, you and I wouldn’t be reading on HabrΓ© about space, cellular […]

Robots in the data center: how can artificial intelligence be useful?

In the process of digital transformation of the economy, humanity has to build more and more data processing centers. Data centers themselves must also be transformed: issues of their fault tolerance and energy efficiency are now more important than ever. Facilities consume enormous amounts of electricity, and failures of critical IT infrastructure located within them are costly to businesses. Artificial intelligence and machine learning technologies come to the aid of engineers, […]

Robots in the data center: how can artificial intelligence be useful?

In the process of digital transformation of the economy, humanity has to build more and more data processing centers. Data centers themselves must also be transformed: issues of their fault tolerance and energy efficiency are now more important than ever. Facilities consume enormous amounts of electricity, and failures of critical IT infrastructure located within them are costly to businesses. Artificial intelligence and machine learning technologies come to the aid of engineers, […]

How blocking access to pages that distribute prohibited content works (now the RKN also checks search engines)

Before proceeding to the description of the system that is responsible for filtering access by telecom operators, we note that now Roskomnadzor will also control the work of search engines. At the beginning of the year, a control procedure and a list of measures were approved to ensure that search engine operators comply with the requirements to stop issuing information about Internet resources, access to which is restricted on the territory of the Russian Federation. The corresponding order of Roskomnadzor [...]

Let's count the agents "Inspector"

It is no secret that the automated system "Revizor" monitors the control of blocking on the list of prohibited information in Russia. How it works is well written in this article on Habr, the picture is from the same place: The Agent Auditor module is installed directly at the provider: The Agent Auditor module is a structural element of the Auditor automated system (AS Auditor). This system is designed to control […]

Seamless RabbitMQ to Kubernetes migration

RabbitMQ is a message broker written in Erlang that allows you to organize a failover cluster with full data replication to multiple nodes, where each node can serve read and write requests. Having many Kubernetes clusters in production, we maintain a large number of RabbitMQ installations and faced the need to migrate data from one cluster to another without downtime. This […]

Overview of Veeam Backup & Replication 9.5 Update 4

At the end of January, Update 4 was released for Veeam Availability Suite 9.5, full of features like another full-fledged major release. Today I will briefly talk about the main innovations implemented in Veeam Backup & Replication, and I promise to write about Veeam ONE in the near future. In this review we will consider: versions of systems and applications that the solution now supports working with […]

9. Check Point Getting Started R80.20. Application Control & URL Filtering

Welcome to Lesson 9! After a short break for the May holidays, we continue our publications. Today we will discuss an equally interesting topic, namely Application Control and URL Filtering. That's what people sometimes buy Check Point for. Need to block Telegram, TeamViewer or Tor? This is what Application Control is for. In addition, we will touch upon [...]

Cable TV networks for the little ones. Part 3: Analog component of the signal

Progress is advancing across the planet, but, unfortunately, not as quickly as we would like. Therefore, at present, millions of televisions are not able to receive a digital signal without crutches, and a provider who cares about the convenience of the subscriber must provide a TV signal, including in analog form. Contents of the series of articles Part 1: General architecture of the CATV network Part 2: Composition […]

Visual Programming for Sonoff Basic

An article about how to create a programmable logic controller from a cheap Chinese device. Such a device will find its use both in home automation and as practical classes in school computer science. For reference, by default, the Sonoff Basic program works with a mobile application via a Chinese cloud service; after the proposed modification, all further interaction with this device will […]

Application Centric Infrastructure. Network architecture of the future - from reasoning to action

Over the past few years, Cisco has been actively promoting a new architecture for building a data transmission network in the data center - Application Centric Infrastructure (or ACI). Some are already familiar with it. And some even managed to implement it at their enterprises, including in Russia. However, for most IT professionals and IT managers, ACI is still either an obscure acronym or just […]