Today we will examine the BGP protocol. We won’t spend too long discussing why it is used as the sole protocol. There is quite a bit of information available on this topic, for example here. So, what is BGP? BGP is a dynamic routing protocol and the only EGP (External Gateway Protocol). This protocol is used for building routing on the internet. Let's explore how […]
Welcome to the anniversary — 10th lesson. Today we will discuss another Check Point blade — Identity Awareness. At the very beginning, when we described NGFW, we established that it is essential to have the ability to regulate access based on accounts rather than IP addresses. This is primarily due to the increased mobility of users and the widespread adoption of […]
Jolla has released version 3.0.3 of the Sailfish operating system. Builds are available for Jolla 1, Jolla C, Sony Xperia X, and Gemini devices, accessible as an OTA update. Sailfish uses a graphical stack based on Wayland and Qt5 libraries, with the system environment built on Mer, which has been developing as a component of Sailfish since April, along with Mer distribution packages from Nemo. User […]
At the end of last year, Microsoft announced a major update for the Edge browser, with the highlight being the switch to the Chromium engine. During the Build 2019 conference, held on May 6, the Redmond software giant officially unveiled the updated web browser, including a version for macOS. Just yesterday, it was discovered that an early release of Edge (Canary 76.0.151.0) for Mac computers […]
At Red Hat Summit 2019, a new version of the RHEL distribution based on Fedora 28 was introduced. This release is the last in the series created without the direct involvement of Red Hat's owner, IBM. Noteworthy new features include Wayland now being the default protocol for the GNOME desktop environment. Application Streams is a system for delivering various software versions (as modules […]
The military-industrial company AerialX from Vancouver, Canada, specializing in the manufacture of unmanned aerial vehicles, has developed the AerialX kamikaze drone, which will help prevent terrorist acts involving drones. AerialX CEO Noam Kenig describes the new device as a "hybrid of a missile and a quadcopter." Essentially, it's a kamikaze drone that looks like a miniature missile but has the maneuverability of a quadcopter. With a takeoff weight of 910 grams, this pocket-sized […]
Red Hat has released version 8 of the Red Hat Enterprise Linux distribution. Installation builds are prepared for x86_64, s390x (IBM System z), ppc64le, and Aarch64 architectures, but are only available for download by registered users of the Red Hat Customer Portal. The source code of the rpm packages for Red Hat Enterprise Linux 8 is distributed through the CentOS Git repository. The distribution will be supported at least until 2029. […]
A brief note: this lab is synthetic. Some tasks described here can be performed much more simply, but since the purpose of the lab is to familiarize oneself with the functionalities of RAID and LVM, certain operations are intentionally complicated. Tool requirements for completing the lab: Virtualization tools, for example, VirtualBox Installation image of Linux, such as Debian 9 Internet access to download several packages SSH connection to […]
A short story about fio and etcd The performance of the etcd cluster largely depends on the performance of its storage. etcd exports some metrics to Prometheus to provide the necessary information about storage performance. For example, the metric wal_fsync_duration_seconds. The etcd documentation states that for the storage to be considered fast enough, the 99th percentile of this metric should be less than 10 ms. If you plan to run […]
The medieval network slasher Mordhau has attracted a large audience for an independent game. The studio Triternion announced on the official website that sales of the new title reached 500,000 copies in just over a week. The developers admitted that the launch was not entirely smooth, as there were regular server issues due to the high number of users. The team continues to fix bugs and work towards stabilizing Mordhau […]
Memory modules based on Samsung B-die chips are arguably one of the most popular choices among enthusiasts. However, the South Korean manufacturer considers them outdated and is currently halting their production, offering newer DDR4 memory chips that utilize more advanced processes instead. This means that the life cycle of unbuffered DDR4 memory modules from Samsung, based on these chips, is coming to an end […]
A developer and Xbox fan under the pseudonym Voxel9 recently shared a video showing the launch of the XQEMU emulator (which emulates the original Xbox console) on the Nintendo Switch. Voxel9 also demonstrated that the system can run some games, including Halo: Combat Evolved. Although there are currently issues with low frame rates, the emulation is functional. The entire process has been implemented […]