Author: Yuri Gagarin

Fedora 33 Test Week — Btrfs

The Fedora project has announced the holding of "Test Week." The event will run from August 31 to September 7, 2020. During "Test Week," everyone is invited to test the upcoming Fedora 33 release and report the results to the distribution developers. To participate, one must install the system and perform several standard operations. Then, results must be reported via a special form. According to the wiki […]

TeXstudio 3.0.0

After eight months of development, the new version 3.0.0 of the advanced editor for LaTeX documents TeXstudio is now available. Among the new features are faster document parsing, which should reduce the time needed to open them; spell checking is now performed asynchronously; the custom syntax highlighting for mathematical and verbatim environments has been replaced with a cwl-based approach; improved support for 'dark' mode; […]

[Collection] 6 no-code tools for quick product launches and process automation

Image: Designmodo Just a few years ago, launching any online business was fraught with difficulties. You had to find developers to create the website – especially if any deviations from the functionality of regular builders were required. If a mobile app or chatbot was also needed, it became even more complicated, and the budget just for the launch […]

Your Own Hardware or the Cloud: Calculating TCO

Recently, Cloud4Y held a webinar dedicated to the issues of TCO, or total cost of ownership. We received a multitude of questions on this topic, reflecting the audience's desire to understand it better. If you are hearing about TCO for the first time or want to understand how to properly assess the benefits of using your own or cloud infrastructure, it's worth checking it out. When […]

How we built a virtual infrastructure for cyber exercises of industrial enterprises

This year, we started a major project to create a cyber range – a platform for cyber exercises for companies from various industries. This involves creating virtual infrastructures that are 'identical to real ones' — so that they replicate the typical internal structure of a bank, an energy company, etc., not only in terms of the corporate segment of the network. We will share more details about the banking and other infrastructures of the cyber range later, and […]

Release of the Tails distribution 4.10 and Tor Browser 9.5.4

A specialized distribution release of Tails 4.10 (The Amnesic Incognito Live System) has been formed, based on the Debian package base and designed to ensure anonymous access to the network. Anonymous access in Tails is provided by the Tor system. All connections, except for traffic through the Tor network, are blocked by the packet filter by default. For storing user data in the data preservation mode between sessions, […]

Firefox 80 release

The release of the Firefox 80 web browser has taken place. In addition, updates have been made for the long-term support branches 68.12.0 and 78.2.0. Firefox 68.12 ESR is the last in its series, and users of Firefox 68 will be offered an automatic update to the 78.3 release in a month. The Firefox 80 version for Android is delayed. The Firefox 81 branch will enter beta testing soon, with a release that […]

A Guide to Database Backup

– Oh, no shelter will withstand a meteor strike. But you have backups, like everyone else, so you need not worry. Stanislaw Lem, "The Star Diaries of Ijon Tichy". Backup refers to storing copies of data somewhere outside the primary storage location. The main purpose of backup is to recover data after loss. In connection with this […]

Creating a Telegram bot in R (part 2): Adding command support and message filters

In the previous publication, we looked at how to create a bot, initialized an instance of the Bot class, and explored methods for sending messages using it. In this article, I continue this topic, so I recommend reading this article only after going through the first part. This time we will figure out how to bring our bot to life and add command support to it […]

Blue-Green Deployment Made Simple

In this article, we will use bash, ssh, docker, and nginx to organize a seamless deployment of a web application. Blue-green deployment is a technique that allows instant updates to the application without rejecting any request. It is one of the zero downtime deployment strategies and is best suited for applications with a single instance, but with the capacity to load a second, fully prepared instance alongside it […]

The legendary Windows 95 turns 25 years old

The day of August 24, 1995, marked the official presentation of the legendary Windows 95, which brought graphical user interface operating systems to the masses and made Microsoft widely known. After 25 years, let’s try to understand what made 'the Wind' win the hearts of billions of users around the world. One of the most important features of Windows 95 was that it allowed the operating system […]

Support for VPN WireGuard has been added to the NetBSD kernel

The developers of the NetBSD project announced the inclusion of the wg driver with WireGuard protocol implementation into the core of NetBSD. NetBSD has become the third OS after Linux and OpenBSD to integrate support for WireGuard. Additionally, companion commands for VPN configuration have been offered — wg-keygen and wgconfig. In the default kernel configuration (GENERIC), the driver is currently not activated and requires explicit indication in […]

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