In Conversations, the open XMPP client for Android, support for video and audio calls has been added. Calls are available from any XMPP server when a direct connection (without NAT) is present. Server developers Ejabberd and Prosody are already working on implementing TURN/STUN support on servers to bypass NAT, indicating that full video call support in the XMPP network will arrive in the coming months. The existing […]
The release of CentOS 7.8 (2003) is now available, incorporating changes from Red Hat Enterprise Linux 7.8. The distribution is fully binary compatible with RHEL 7.8 (changes made to packages typically involve rebranding and replacement of artwork). CentOS 7.8 builds are available for x86_64, Aarch64 (ARM64), i386, ARMv7 (armhfp), ppc64, ppc64le, and Power9 architectures. For the x86_64 architecture […]
I recently passed the Certified Kubernetes Application Developer (CKAD) exam and received my certification. Today, I want to share the certification process and how I prepared for it. It was an interesting experience taking the exam online under the watchful eye of the examiner. This article will not contain valuable technical information; it is purely narrative in nature. Additionally, there […]
The material of this article is taken from my Zen channel. Data block movement mechanism Data block dblk_t Message mblk_t Message processing functions mblk_t Queue queue_t Queue processing functions queue_t Filter connections Signal point of the data processing graph Behind-the-scenes activity of the ticker Bufferizer (MSBufferizer) MSBufferizer processing functions In the previous article, we developed our own filter. We will dedicate this article to the structure […]
The material of this article is taken from my Zen channel. In the previous article, we created a duplex intercom device that performs sound signal exchange through a duplex RTP session. In this article, we will learn to write filters and add a homemade filter to our homemade intercom device. Developing a plugin Plugins in the media streamer, as in many other programs, are used to extend functionality […]
The Khronos Group, responsible for developing the specifications for the OpenGL, Vulkan, and OpenCL families, has announced the completion of the OpenCL 3.0 specifications, defining the API and extensions of the C language for cross-platform parallel computing using multi-core CPUs, GPUs, FPGAs, DSPs, and other specialized chips, ranging from those used in supercomputers and cloud servers to chips that can be found in […]
The developers of the Clear Linux distribution have announced a change in the project's development strategy. The primary focus will now be on server and cloud systems, which will receive the most attention. Components for the workstation edition will continue to be supported on a residual basis. Package delivery for desktop environments will continue, but these packages will offer baseline versions of user environments, without specific […]
The release of Manjaro Linux 20.0 has been introduced, based on Arch Linux and aimed at beginner users. The distribution is notable for its user-friendly installation process, automatic hardware detection, and installation of the necessary drivers for operation. Manjaro is available as live builds with graphical environments KDE (2.9 GB), GNOME (2.6 GB), and Xfce (2.6 GB). In […]
Philip Müller has announced the release of Manjaro Linux 20.0, a significant new update of the distribution project originally developed for Arch Linux, now with options for desktop environments GNOME, KDE, and Xfce. The new version includes the following changes: Xfce 4.14, aimed at improving user interaction with the desktop and window manager. Additionally, a new […]
In addition to the previously released models, System76 has introduced another laptop with Coreboot firmware and disabled Intel ME. The model is called Lemur Pro 14 (lemp9). The laptop's firmware is only partially open and contains several key binary components. Key specifications: Operating system Ubuntu or proprietary Pop!_OS. Intel Core i5-10210U or Core i7-10510U processor. Matte 14.1" 1920×1080 display. From […]
I've wanted to write an article on microservice architecture for a long time, but I was always held back by two things— the deeper I delved into the subject, the more it seemed to me that what I know is obvious, and what I don't know still requires extensive study. On the other hand, I believe there is already much to discuss in-depth […]
I want to share with the community a simple and effective way to protect your network and the services exposed through Mikrotik from external attacks. Specifically, we'll set up a honeypot on Mikrotik with just three rules. So, let's imagine we have a small office with an external IP behind which there is an RDP server for remote employee access. The first rule is, of course, […]
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