Introduction to Operating Systems Hello, Habr! I would like to present to your attention a series of translated articles on literature that I find interesting — OSTEP. This material explores in depth the workings of Unix-like operating systems, specifically focusing on processes, various schedulers, memory, and other similar components that make up a modern OS. You can view the original materials here. […]
Team Meat studio promised to release the sequel to Super Meat Boy in April, but they will not finish the project on time. The developers announced the delayed release date on their Twitter. "We have been working on the final improvements for Super Meat Boy Forever at record speed while maintaining our health and sanity. We will continue to work at the same pace, so […]
SAP HANA is a popular in-memory database management system that includes data warehouse and analytics services, built-in middleware, application server, and a platform for configuring or developing new utilities. By eliminating the delays of traditional databases, SAP HANA can significantly boost system performance, transaction processing (OLTP), and business analytics (OLAP). SAP HANA can be deployed in Appliance and TDI modes (if […]
Recently, Venezuela experienced a series of power outages that left 11 states in the country without electricity. From the very beginning of this incident, Nicolás Maduro's government claimed it was an act of sabotage, made possible by electromagnetic attacks and cyber attacks on the national electric company Corpoelec and its power plants. In contrast, the self-proclaimed government of Juan Guaidó simply attributed this incident to "inefficiency […]
The Lexar SL 100 Pro portable solid-state drive, made in a compact aluminum case, is currently the fastest solution available on the market. The new drive is small, measuring 55 × 73.4 × 10.8 mm. This means that the SSD will be an excellent mobile solution that takes up little space and is always at hand. The durable casing protects […]
Developers have started the gradual rollout of the messenger worldwide, and it will soon be available to all users. The WhatsApp Business app is used by small enterprises and representatives of small businesses to communicate with their customers. The free version of the client for iOS was launched last month, and now developers have announced that soon everyone will be able to use it […]
Microsoft continues to enhance the Edge browser. While the presence of the Chromium rendering engine only guarantees rendering speed, it does not automatically make the browser the best by default. Therefore, developers have started to copy interesting features from others. One of these is the customizable tabs from the Vivaldi browser. Unlike most of its "industry peers," Vivaldi offers a plethora of settings that allow […]
Welcome to lesson 6. Today we will finally work with the famous Check Point graphical interface. It's what many love about Check Point, while some hate. If you remember the last lesson, I mentioned that security settings can be managed either through SmartConsole or through a special API introduced only in version R80. In this lesson […]
Microsoft has officially announced that the Windows 10 update numbered 1903 has been postponed to May of this year. It is reported that the update will be available next week for participants of the Windows Insider program. A full-scale rollout is planned for the end of May. This will be distributed through the Windows Update Center. By deploying updates, developers are taking a step towards users, […]
Linus Torvalds, the developer of the Linux operating system, which has long been used worldwide—from smartphones to servers—has called social media a 'disease.' He stated this in an interview with Linux Journal. 'I completely hate modern social media—Twitter, Facebook, Instagram. It's a disease. They seem to encourage bad behavior,' noted the developer. This is quite an interesting […]
Again and again, after conducting an audit, I face a wall of misunderstanding concerning my recommendations to hide ports behind a whitelist. Even very skilled admins/DevOps ask, 'Why?!?' I propose considering the risks in descending order of likelihood and damage. Configuration error DDoS by IP Brute force Service vulnerabilities Kernel stack vulnerabilities Amplification of DDoS attacks Configuration error The most typical and dangerous situation. How […]
No, well, of course I’m not serious. There must be a limit to how much one can simplify the subject. But for the initial stages, to grasp basic concepts and quickly 'get into' the topic, it might be acceptable. As for how to properly name this material (options: 'Machine Learning for Dummies', 'Data Analysis from Scratch', 'Algorithms for the Very Young'), we will discuss this at the end. To […]