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Updates for Firefox 67.0.3 and 60.7.1 addressing vulnerabilities

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Corrective releases of Firefox 67.0.3 and 60.7.1 have been published, addressing a critical vulnerability (CVE-2019-11707) that could cause the browser to crash when executing malicious JavaScript code. The vulnerability is caused by a type handling issue in the Array.pop method. Access to detailed information is currently restricted. It is also unclear whether the issue is limited to the reported crash or could potentially be exploited for arbitrary code execution by an attacker. Additional information: […]

Professions of the Future: "What will you work as on Mars?"

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"Jetpack Pilot" is a "job of the past," it's 60 years old. "Jetpack Developer" - 100 years old. "Instructor of the school course on jetpack construction" is a job of the present, we're doing that now. But what is the profession of the future? Tamper? Archeoprogrammer? Designer of false memories? Blade Runner? A long-time acquaintance of mine who participated in the crowdsourcing for a jetpack engine has now launched his […]

Ubuntu ceases to provide packages for 32-bit x86 architecture

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Two years after the cessation of the formation of 32-bit installation images for the x86 architecture, the developers of Ubuntu have decided to fully end the lifecycle of this architecture in the distribution. Starting with the autumn release of Ubuntu 19.10, packages in the repository for the i386 architecture will no longer be created. The last LTS branch for users of 32-bit x86 systems will be Ubuntu 18.04, the support for which will last […]

Use GIT for documentation

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Sometimes, not only the documentation itself but also the process of working on it can be critical. For example, in projects, a lion's share of the work is related to preparing documentation, and an incorrect process can lead to errors and even loss of information, and therefore, loss of time and profit. But even if this topic isn't central […]

Seph — from "homebrew" to "production"

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Choosing CEPH. Part 1 We had five racks, ten optical switches, configured BGP, a couple of dozen SSDs, and a bunch of SAS drives of all colors and sizes, plus proxmox and a desire to shove all the static into our own S3 storage. It's not that all this was needed for virtualization, but since I started using open source – let’s go into […]

Reversing and hacking self-encrypting external HDD drive Aigo. Part 1: Disassembling it

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Reversing and hacking external self-encrypting drives has been my long-standing hobby. In the past, I’ve had the opportunity to work with models like Zalman VE-400, Zalman ZM-SHE500, and Zalman ZM-VE500. Recently, a colleague brought me another exhibit: Patriot (Aigo) SK8671, which is built according to a typical design – an LCD indicator and a keyboard for PIN code entry. Here’s what came of it… 1. Introduction […]

DragonFly BSD 5.6.0

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On June 17, 2019, a significant release of the DragonFly BSD operating system was presented – Release 56. This release brings substantial improvements to the Virtual Memory System, updates for Radeon and TTM, as well as performance enhancements for HAMMER2. DragonFly was formed in 2003 as a fork of FreeBSD version 4. Among its many features, the following stand out: A high-performance file system HAMMER2 […]

Cloudflare has introduced a distributed random number generator

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Cloudflare has launched the League of Entropy service, which is supported by a consortium of several organizations interested in providing high-quality random numbers. Unlike existing centralized systems, the League of Entropy does not rely on a single source and uses entropy generated from multiple unrelated generators managed by different project participants to generate random sequences. […]

Transferring mailboxes between storage in Zimbra Collaboration Suite

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Previously, we discussed how easily and simply the Zimbra Collaboration Suite Open-Source Edition can scale. New mail stores can be added without halting the operation of the infrastructure on which Zimbra is deployed. This capability is highly valued by SaaS providers who offer their clients access to the Zimbra Collaboration Suite on a commercial basis. However, this scaling process is not without […]

Parsing 25TB using AWK and R

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How to read this article: I apologize for the lengthy and chaotic text. To save your time, I start each chapter with an introduction titled 'What I learned,' where I summarize the essence of the chapter in one or two sentences. 'Just show me the solution!' If you just want to see what I arrived at, skip to the chapter 'Becoming More Inventive,' but […]

Cable television networks for the very young. Part 9: Head Station

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The head station collects signals from multiple sources, processes them, and broadcasts them into the cable network. Content of the series of articles Part 1: General architecture of the cable TV network Part 2: Composition and form of the signal Part 3: Analog component of the signal Part 4: Digital component of the signal Part 5: Coaxial distribution network Part 6: RF signal amplifiers Part 7: Optical receivers Part 8: Optical […]

How to Solve NP-Hard Problems Using Parameterized Algorithms

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Research work is perhaps the most interesting part of our studies. The idea is to try out your chosen direction while still at university. For instance, students from Software Engineering and Machine Learning often pursue research projects in companies (mostly JetBrains or Yandex, but not only). In this post, I will talk about my project in the field of Computer Science. […]

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