Operating systems are the cornerstone of the modern industry. On one hand, they consume valuable server resources that could be used for something more productive. On the other hand, the operating system acts as an orchestrator for server applications and transforms a single-task computing unit into a multitasking platform, while also facilitating interactions among all stakeholders with the hardware. Currently, the main […]
For a long time, some users have faced the challenge of installing drivers for integrated graphics (iGPU) in Intel processors. This issue is most common with laptops from OEM manufacturers that operate on 'blue' chips. This is linked to the manufacturer verification system for portable systems, which allows only drivers from the OEM manufacturer to be installed, while blocking the installation of official drivers from Intel's website. Until today, OEM manufacturers […]
The release of the Linux distribution Fedora 32 has been announced. Products such as Fedora Workstation, Fedora Server, CoreOS, as well as a set of 'spins' with live builds of desktop environments KDE Plasma 5, Xfce, MATE, Cinnamon, LXDE, and LXQt are prepared for download. Builds have been created for x86_64, Power64, ARM64 (AArch64) architectures and various devices with 32-bit ARM processors. The publication of Fedora Silverblue and Fedora IoT Edition builds is delayed. Most […]
Red Hat has released the Red Hat Enterprise Linux 8.2 distribution. Installation builds have been prepared for x86_64, s390x (IBM System z), ppc64le, and Aarch64 architectures, but are only available for download to registered users of the Red Hat Customer Portal. The source texts of the rpm packages for Red Hat Enterprise Linux 8 are distributed through the CentOS Git repository. The RHEL 8.x branch will be supported until at least 2029 […]
Fedora is a free GNU/Linux distribution developed by Red Hat. This release contains a large number of changes, including updates to the following components: Gnome 3.36, GCC 10, Ruby 2.7, Python 3.8. As Python 2 has reached its end of life, most of its packages have been removed from Fedora; however, developers provide an outdated python27 package for those who still need it […]
Almost two years after the previous release 1.16.3, a new version of qTox 1.17 has been released, a cross-platform client for the decentralized messenger Tox. The release includes three versions released in a short period: 1.17.0, 1.17.1, 1.17.2. The last two versions do not bring changes for users. The number of changes in 1.17.0 is substantial. Key additions include support for persistent chats and dark […]
Working with PowerShell, the first thing we encounter is commands (Cmdlet). A command call looks like this: Verb-Noun -Parameter1 ValueType1 -Parameter2 ValueType2[] Help Calling help in PowerShell is done using the Get-Help command. You can specify one of the parameters: example, detailed, full, online, showWindow. Get-Help Get-Service -full will return a complete description of the Get-Service command. Get-Help Get-S* will show all available […]
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 […]