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Operation 'Migration': How the move to the DataLine cloud happens

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About 7 years ago, the very first projects were moving to our cloud simply and effortlessly. Virtual machine images were uploaded to the FTP server, or they were brought on hard drives. Then, via a special import server, the VMs were loaded into the cloud. If it’s not an issue for the client to turn off the virtual machine for a day or two (or if there are no other options), then it can be done this way. But if downtime is necessary […]

How to Avoid Failing at Digital Transformation

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Spoiler: it starts with people. A recent survey of CEOs and top executives revealed that risks associated with digital transformation are the number one topic of discussion in 2019. Nevertheless, 70% of all transformation initiatives fail to achieve their goals. It's estimated that of the $1.3 trillion spent on digitization last year, $900 billion went to waste. But why are some transformation initiatives successful?

Software Architect. New course from OTUS

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The modern world has over 40,000 professions. Society is evolving and digitizing; some professions are disappearing due to obsolescence, while others are emerging and becoming highly demanded in the labor market. One of these professions is software architect. It goes by various names online, including system architect, software architect, IT architect, and IT infrastructure architect.

Symfony 5.0

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Today at the SymfonyCon conference in Amsterdam, the fifth release of the open-source PHP framework Symfony, which uses the MVC model, was presented. The list of projects utilizing Symfony includes several popular web applications such as Drupal (CMS), Joomla (CMS), Facebook (SDK), Google API (SDK), phpBB, phpMyAdmin, and others. Among the 269 innovations, two new components stand out: String – a component for object-oriented work […]

Release of Zorin OS 15 Lite

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A lightweight version of the Linux distribution Zorin OS 15 has been prepared, built using the Xfce 4.14 desktop and the Ubuntu 18.04.2 package base. The target audience for this distribution is users of outdated systems running Windows 7, support for which is set to expire in January 2020. The desktop layout is styled to resemble Windows, and it includes a collection of software similar to the programs that […]

Experimental support for Linux kernel recompilation in Clang with CFI protection mechanism

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Kees Cook, former head sysadmin of kernel.org and leader of the Ubuntu Security Team, now working at Google to ensure the security of Android and ChromeOS, has prepared an experimental repository with patches that allow building a kernel for the x86_64 architecture using the Clang compiler and enabling the Control Flow Integrity (CFI) protection mechanism. CFI helps detect certain forms of undefined behavior that […]

VDS with a graphics card — we know a thing or two about the unusual

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When one of our employees told his sysadmin friend, "We now have a new service—VDS with a graphics card," the friend chuckled in response, "What, are you going to push the office folks into mining?" At least he didn’t joke about gaming, that’s something. He doesn’t understand much about a developer's life! But deep down, we cherish the thought that […]

Sound Localization: How the Brain Recognizes Sound Sources

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The world around us is filled with various information, which our brain continuously processes. It receives this information through the senses, each responsible for its share of signals: eyes (sight), tongue (taste), nose (smell), skin (touch), vestibular system (balance, spatial position, and weight sensation), and ears (sound). By collecting signals from all these organs, our brain […]

Language Layers

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Hello, Habr! I present to you a translation of the article "Language Layers" by Robert C. Martin (Uncle Bob). I am currently spending time playing an old game called "Lunar Lander" from 1969. It was written by Jim Storer, a high school student. He developed it on the PDP-8 in FOCAL. Here is what the program looks like: And here is the source code in FOCAL: Jim Storer was […]

Cloudflare has introduced an open network security scanner, Flan Scan

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Cloudflare has announced the release of the source code for the Flan Scan project, which scans hosts on the network for unpatched vulnerabilities. Flan Scan is an extension of the Nmap network security scanner, turning it into a fully functional tool for identifying vulnerable hosts in large networks. The project code is written in Python and is distributed under the BSD license. Flan Scan allows […]

Release of the free 3D modeling system Blender 2.81

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The release of the free 3D modeling package Blender 2.81 has been published, which includes over a thousand fixes and improvements made in the four months since the significant branch of Blender 2.80 was formed. Major changes: A new interface for navigating the file system has been proposed, implemented as a pop-up window with a layout typical of file managers. Different viewing modes (list, thumbnails), filters, and dynamic […]

Release of CentOS Atomic Host 7.1910, a specialized OS for running Docker containers.

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The CentOS project has introduced the release of the minimalist operating system CentOS Atomic Host 7.1910, which is provided as a monolithic, fully-updatable image and offers a basic environment that contains only the minimal set of components (systemd, journald, docker, rpm-OSTree, geard, etc.) necessary for launching and managing isolated Docker containers. All packages needed for running end-user applications are delivered directly within the containers, […]

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