Blog Section
Continuation of the article "An Attempt to Create an ASH Analog for PostgreSQL." This article will discuss and demonstrate, using specific queries and examples, what useful information can be obtained through the pg_locks presentation history. Warning: Due to the novelty of the topic and the ongoing testing phase, the article may contain errors. Criticism and comments are welcomed and anticipated. Input data […]
This article's translation is specially prepared for students of the "Cloud Services" course. Interested in developing in this area? Check out the recording of the professional masterclass "AWS EC2 Service," conducted by Yegor Zuev — TeamLead at InBit and author of the educational program at OTUS. Google Cloud Platform (GCP) offers a variety of services, particularly a compute stack that includes Google Compute Engine (GCE), Google […]
Hello colleagues, welcome to the lesson on migrating Check Point R77.30 databases to R80.10. When using Check Point products, eventually the task of migrating existing rules and object databases arises for the following reasons: When purchasing a new device, it is necessary to migrate the database from the old device to the new one (to the current version of GAIA OS or […]
The next release of the Gaia R80.40 operating system is approaching. A few weeks ago, the Early Access program started, allowing users to test the distribution. As usual, we publish information about the new features, highlighting the aspects that are most interesting from our perspective. Looking ahead, I can say that the innovations are indeed significant. So, it’s worth preparing for […]
One day, you might want to sell something on Avito, and after posting a detailed description of your item (for example, a RAM module), you will receive this message: Clicking the link, you will see a seemingly harmless page notifying you, the happy and successful seller, about the purchase: After clicking the “Continue” button, an APK file will be downloaded to your Android device with an icon and […]
During the ongoing CppCon 2019 conference, Microsoft announced the opening of the source code for its implementation of the C++ standard library (STL, C++ Standard Library), which is part of the MSVC toolchain and the Visual Studio development environment. The library implements features described in the current C++14 and C++17 standards and is also evolving towards supporting the upcoming C++20 standard, keeping pace with changes […]
After six months of development, Oracle has released Java SE 13 (Java Platform, Standard Edition 13), which uses the open project OpenJDK as its reference implementation. Java SE 13 maintains backward compatibility with previous releases of the Java platform, ensuring that all previously written Java projects will work without modifications on the new version. Installation-ready builds are available […]
American Casey Viner was sentenced to 15 months in prison for conspiracy related to swatting due to a conflict in the shooter game Call of Duty. As reported by PC Gamer, he will also be banned from playing online games for two years after his release. Casey Viner admitted to being an accomplice of Tyler Barriss, who was convicted for a deadly swatting incident […]
There is a strong stereotype about the backwardness of the African continent. Yes, there are indeed a lot of problems. However, IT in Africa is developing rapidly. According to venture firm Partech Africa, in 2018, 146 startups from 19 countries raised $1.16 billion. Cloud4Y has provided a brief overview of the most interesting African startups and successful companies. […]
The release of the CentOS 7.7 distribution (1908) is now available, incorporating changes from Red Hat Enterprise Linux 7.7. The distributions are fully binary compatible with RHEL 7.7, and the changes made to the packages generally consist of rebranding and design updates. CentOS 7.7 builds are currently available for x86_64, Aarch64 (ARM64), i386, ppc64le, Power9, and ARMv7 (armhfp) architectures. For the x86_64 architecture […]
Today's video lesson on Distance Vector and Link State routing protocols precedes one of the most important topics in the CCNA course – the OSPF and EIGRP routing protocols. This topic will take 4 or even 6 upcoming video lessons. Therefore, today I will briefly discuss several concepts that need to be understood before starting to study OSPF and EIGRP. In the last lesson, we […]
Inspired by the article "Categories Instead of Directories, or a Semantic File System for Linux Vitis", I decided to create my own analog of the vitis utility for PowerShell Core. Why did I start this? First, vitis is only for Linux. Second, I want to use "pipes" in PowerShell. As I wanted to create a cross-platform utility, I chose .Net Core. Backstory: It all started with chaos. […]