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DragonFly BSD 5.6 operating system release

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The release of DragonFlyBSD 5.6 is available, an operating system with a hybrid kernel created in 2003 for the purpose of alternative development of the FreeBSD 4.x branch. Among the features of DragonFly BSD, we can highlight the distributed versioned file system HAMMER, support for loading “virtual” system kernels as user processes, the ability to cache data and FS metadata on SSD drives, context-sensitive variant symbolic links, the ability to freeze processes […]

Vulnerabilities in TCP stacks Linux and FreeBSD, leading to remote denial of service

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Netflix has identified several critical vulnerabilities in its TCP stacks. Linux and FreeBSD, which allow remote attackers to initiate a kernel crash or cause excessive resource consumption when processing specially crafted TCP packets (packet-of-death). The issues are caused by errors in the TCP maximum segment size (MSS) and TCP Selective Acknowledgement (SACK) handlers. CVE-2019-11477 (SACK Panic) […]

AERODISK Engine: Disaster recovery. Part 1

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Hello, Habr readers! The topic of this article will be the implementation of disaster recovery in AERODISK Engine storage systems. Initially, we wanted to write in one article about both tools: replication and metrocluster, but, unfortunately, the article turned out to be too large, so we split the article into two parts. Let's go from simple to complex. In this article, we will set up and test a synchronous […]

Why do we make Enterprise Service Mesh

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Service Mesh is a well-known architectural pattern for integrating microservices and migrating to cloud infrastructure. Today in the cloud-container world it is quite difficult to do without it. Several open-source service mesh implementations are already available on the market, but their functionality, reliability and security are not always sufficient, especially when it comes to the requirements of large financial companies across the country. That's why […]

An Interactive Roadmap for Web Development Learners

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The programming school codery.camp continues to develop in the village. We recently completed a complete redesign of the web development course, which is now available online. To arrange theoretical materials, we used an unusual solution - they are all combined into an interactive graph, which is convenient to use as a Roadmap for students of web development. The materials are interconnected and, in addition to the theory itself, contain exercises on […]

SimbirSoft invites IT specialists to the Summer Intensive 2019

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IT company SimbirSoft is once again organizing a two-week educational program for specialists and students in the field of information technology. Classes will be held in Ulyanovsk, Dimitrovgrad and Kazan. Participants will be able to get acquainted with the process of developing and testing a software product in practice, work in a team as a programmer, tester, analyst and project manager. The intensive conditions are as close as possible to the real tasks of an IT company. […]

Video: turn-based tactics I am Not a Monster: First Contact will receive a story campaign

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Publisher Alawar Premium and studio Cheerdealers, who presented turn-based multiplayer tactics I am Not a Monster last September, have announced the release of a single-player campaign for their project. The release date is set for the second half of 2019, and so far only PC (Steam) is available among the platforms. A corresponding trailer is presented for this occasion. Let us remind you: the action of the strategy I am […]

Xiaomi Mijia Smart Door Lock: NFC Smart Door Lock

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Xiaomi has announced the Mijia Smart Door Lock, which will go on sale at the end of this month at an estimated price of $250. The new product offers a variety of unlocking methods. In particular, a fingerprint scanner is provided to open the lock using a fingerprint. In addition, there is a built-in panel for entering a digital password. You can remove the protection when [...]

Phison to introduce 6500MB/s SSD controller early next year

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Phison is working on a new controller designed for next-generation solid-state drives using the high-speed PCI Express 4.0 interface. A key feature of the new product will be support for higher data transfer rates - up to 6500 MB/s. Earlier this year, Phison demonstrated its PS5016 controller, designed for next-generation solid-state drives with the ability to connect four […]

Reduce backups by 99.5% with hashget

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hashget is a free, operable deduplicator — a utility similar to an archiver that allows you to significantly reduce the size of backups, as well as organize incremental and differential backup schemes and more. This is an overview article to describe the features. The use of hashget itself (quite simple) is described in the README of the project and the wiki documentation. Comparison According to the law of the genre, I'll start right away with an intrigue - […]

Ubuntu will ship Chromium only as a snap package

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Developers Ubuntu announced their intention to discontinue the distribution of Chromium browser .deb packages in favor of distributing self-contained images in snap format. Starting with the release of Chromium 60, users have been able to install Chromium both from the standard repository and in snap format. Ubuntu On October 19.10, Chromium will be limited to the snap format only. For users of previous branches Ubuntu [...]

Meson build system release 0.51

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The release of the Meson 0.51 build system has been published, which is used to build projects such as X.Org Server, Mesa, Lighttpd, systemd, GStreamer, Wayland, GNOME and GTK+. Meson's code is written in Python and is licensed under the Apache 2.0 license. The key goal of Meson development is to provide high speed of the assembly process combined with convenience and ease of use. Instead of the make utility [...]

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