Author: Yuri Gagarin

Perl Weekly Challenge

Fun competitions for Perl enthusiasts and anyone wanting to try their hand at black magic. Every week, two simple tasks are published. Participants can solve them or offer themselves as mentors to help beginners. The focus is on TIMTOWTDI. The organizer asks to avoid golf and JAPH; otherwise, 'Let a hundred flowers bloom.' A report will be written at the end highlighting the most interesting […]

Overview of Veeam Backup & Replication 9.5 Update 4

At the end of January, Update 4 for Veeam Availability Suite 9.5 was released, packed with features akin to a major release. Today, I will briefly discuss the main innovations implemented in Veeam Backup & Replication, and I promise to write about Veeam ONE in the near future. This review will cover: the versions of systems and applications now supported by the solution working with […]

Release of Linux kernel 5.1

After two months of development, Linus Torvalds has announced the release of Linux kernel 5.1. Among the most notable changes are: a new interface for asynchronous input/output (io_uring), the ability to use NVDIMM as RAM, Nouveau support for shared virtual memory, scalable monitoring of very large filesystems through fanotify, the ability to set Zstd compression levels in Btrfs, a new cpuidle TEO handler, and the implementation of system calls […]

Firefox 66.0.4 and 60.6.2 ESR releases address issues with disabled add-ons.

Full corrective releases Firefox 66.0.4 and 60.6.2 ESR have been published, offering a fix for replacing the expired intermediate certificate and restoring disabled extensions. However, several unresolved side effects are noted: Some extensions, like Epubreader, do not restore in about:addons after the certificate update or remain in an unsupported state. This issue affects extensions without an identifier in the file […]

Corrective update for Firefox

A corrective update for Firefox has been released, fixing the certificate issue and making disabled extensions, themes, search engines, and language packs available again. The update is available for Windows, Linux, and macOS (66.0.4 and 60.6.2 ESR) and Android (66.0.4). However, some problems remain unresolved (for example, some users report that investigations are included, but the extensions […]

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 a topic that is no less interesting, namely — Application Control and URL Filtering. This is often the reason companies buy Check Point solutions. Need to block Telegram, TeamViewer, or Tor? That’s what Application Control is for. We will also cover […]

Application Centric Infrastructure. The network architecture of the future — from thoughts to action

In recent years, Cisco has been actively promoting a new architecture for building data transmission networks in data centers — Application Centric Infrastructure (or ACI). Some are already familiar with it, while others have even implemented it in their enterprises, including in Russia. However, for most IT specialists and IT leaders, ACI remains either an unclear abbreviation or just […]

Visual programming for Sonoff Basic

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

Qualified electronic signature on macOS

According to RBC and Tensor, in 2019, 4.6 million qualified electronic signature (QES) certificates that comply with the requirements of Federal Law 63-FZ will be issued in Russia. This means that out of 8 million registered individual entrepreneurs and limited liability companies, every second entrepreneur uses an electronic signature. In addition to QES for EGAIS and cloud QES for submitting reports, issued by banks and accounting services, there is particular interest in […]

Skirmions can provide multi-level magnetic recording

The smallest magnetic vortex structures called skyrmions (named after the British theoretical physicist Tony Skyrme, who predicted this structure in the 1960s) promise to become the foundation of future magnetic memory. These are topologically stable magnetic formations that can be excited in magnetic films and then read in their state. Both writing and reading occur using spin currents […]

Mozilla has fixed the certificate issue that caused extensions to be disabled.

Last night, Firefox users noticed an issue that arose with the browser's extensions. Current plugins were inactive, and installing new ones was not possible. The company announced that the problem was related to the expiration of a certificate. It was also stated that a solution is already being worked on. At this time, it is reported that the issue has been identified and a fix has been initiated. In the meantime, all […]

‘How We Build IaaS’: Materials on the Work of 1cloud

We discuss how we launched and are developing the 1cloud, addressing the evolution of its individual services and architecture as a whole. Additionally, we debunk myths about IT infrastructure. / Wikimedia / Tibigc / CC Evolution How we began the development of our IaaS provider. We compare our expectations before the platform launch with our initial experience in providing services to clients. Let’s start with a brief […]

Buy reliable website hosting with DDoS protection, VPS VDS servers 🔥 Buy reliable website hosting with DDoS protection, VPS VDS servers | ProHoster