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Reporting Engine in Satellite 6.5: What It Is and Why It Matters

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Red Hat Satellite is a system management solution that simplifies the deployment, scaling, and management of Red Hat infrastructure across physical, virtual, and cloud environments. Satellite enables users to configure and update systems to ensure their efficient and secure operation in compliance with various standards. By automating most tasks related to maintaining system functionality, Satellite helps organizations improve efficiency, reduce […]

From High Ceph Latency to Kernel Patch using eBPF/BCC.

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Linux offers a wide range of tools for debugging the kernel and applications. Most of them negatively impact application performance and cannot be used in production. A couple of years ago, another tool was developed — eBPF. It allows for tracing the kernel and user applications with low overhead and without the need for recompiling programs or loading third-party […]

Mozilla has launched a site demonstrating user tracking methods

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Mozilla has introduced the Track THIS service, which visually assesses the methods used by advertising networks that track visitors' preferences. The service allows the automated opening of about 100 tabs to simulate four typical online behavior profiles, after which advertising networks begin suggesting content corresponding to the chosen profile for several days. For example, if the profile of a very wealthy individual is selected, the ads will start featuring...

Release OpenWrt 18.06.04

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An update for the OpenWrt 18.06.4 distribution has been prepared, aimed at use in various networking devices such as routers and access points. OpenWrt supports a wide range of platforms and architectures and has a build system that allows for easy cross-compilation, including various components in the build, making it straightforward to create a firmware or disk image tailored for specific tasks.

Google Photos users will be able to tag people in photos

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David Lieb, the lead developer of Google Photos, shared some details about the future of the popular service during a conversation with users on Twitter. Although the goal of the discussion was to gather feedback and wishes, Mr. Lieb revealed what new features will be added to Google Photos in response to questions.

The bumps along the way to becoming a programmer

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Hello, Habr! While leisurely reading an interesting article about becoming a programmer, I realized that we are all navigating the same minefield filled with pitfalls on our career paths. It begins with a dislike for the educational system that is supposed to turn us into seniors, and ends with the understanding that the heavy burden of learning falls solely on us.

Rust 1.36

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The development team is excited to present Rust 1.36! What's new in Rust 1.36? The Future trait has been stabilized, and among the new features are: the alloc crate, MaybeUninit, NLL for Rust 2015, a new implementation of HashMap, and a new flag —offline for Cargo. Now, more details: In Rust 1.36, the Future trait has finally been stabilized. The alloc crate. Starting with Rust 1.36, parts of std that depend on it...

Magento's e-commerce platform has fixed 75 vulnerabilities.

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Vulnerabilities have been identified in Magento, an open platform for e-commerce that holds about 20% of the market for online store creation systems. The combination of these vulnerabilities allows an attacker to execute their code on the server, gain complete control over the online store, and redirect payments. The vulnerabilities have been patched in Magento releases 2.3.2, 2.2.9, and 2.1.18, which together fixed 75 issues...

Redis Stream — reliability and scalability of your messaging systems

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Redis Stream is a new abstract data type introduced in Redis with the release of version 5.0. Conceptually, Redis Stream is a List where you can add records. Each record has a unique identifier. By default, the identifier is generated automatically and includes a timestamp. This allows you to query ranges of records by time or receive new data from […]

Redis Stream is new.

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Does anyone remember Erwise? Viola? Cello? Let's reminisce. When Tim Berners-Lee arrived at CERN, the famous European particle physics laboratory, in 1980, he was hired to upgrade the control systems of several particle accelerators. But the inventor of the modern web page quickly saw a problem: thousands of people constantly came and went at the research institute, many of whom worked there temporarily. "For programmers on […]

Before Netscape: forgotten web browsers of the early 1990s

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Axel Rietschin, an engineer at Microsoft working on the Windows kernel, has questioned the possibility of developing the ReactOS operating system without borrowing code from Windows. In his opinion, the developers of ReactOS utilized code from the Windows Research kernel, the source texts of which were licensed for universities. Leaks of this code have been published in various environments, including GitHub. Rietschin is confident...

Characteristics of Quantum Computers

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The power of a quantum computer is measured in qubits, the basic unit of measurement in quantum computing. Source. I facepalm after each reading of such phrases. This has not led to good outcomes, my vision is starting to decline; I will soon have to turn to Meklon. I think it's time to systematically summarize the main parameters of a quantum computer. There are several: Number of qubits, Coherence time (decoherence time), Error rate, Processor architecture […]

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