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DNS Push notifications have received Proposed Standard status

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The IETF (Internet Engineering Task Force), which develops internet protocols and architecture, has completed the creation of the RFC for the "DNS Push Notifications" mechanism and published the related specification under the identifier RFC 8765. The RFC has received the status of "Proposed Standard," after which work will commence to promote the RFC to Draft Standard status, effectively signifying full protocol stabilization and consideration of all […]

PPSSPP 1.10 has been released

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PPSSPP is an emulator for the PlayStation Portable (PSP) video game console that operates using high-level emulation technology (HLE). The emulator works on a wide variety of platforms, including Windows, GNU/Linux, macOS, and Android, allowing users to run a vast array of games on the PSP. PPSSPP does not require the original PSP firmware (and is unable to run it). In version 1.10: Graphics and compatibility improvements Performance enhancements […]

Lua 5.4

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After two years of development, a new version of the Lua programming language — 5.4 — was quietly released on June 29. Lua is a simple, interpreted programming language that is easy to embed in applications. Because of these qualities, Lua is widely used as an extension language or for program configuration (particularly in computer games). Lua is distributed under the MIT license. The previous version (5.3.5) was released […]

Exploring the VoIP Engine Mediastreamer2. Part 8

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The material of the article is taken from my Zen channel. Structure of the RTP packet In the previous article, we captured the RTP packets exchanged between our receiver and transmitter using TShark. In this one, we will color the elements of the packet in different colors and discuss their purpose. Let's take another look at the same packet, but now with highlighted fields and explanatory captions: V […]

Exploring the VoIP engine Mediastreamer2. Part 12

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The material of the article is taken from my Zen channel. In the previous article, I promised to address the issue of workload assessment on the ticker and ways to combat excessive computational load in the media streamer. However, I decided it would be more logical to first cover debugging craft filters related to data movement, and only then discuss performance optimization. Debugging craft filters After we in […]

Experience with CEPH

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When the amount of data exceeds what can fit on one disk, it's time to consider RAID. In my childhood, I often heard from older folks: "One day RAID will be a thing of the past, object storage will take over the world, and you won't even know what CEPH is," so the first thing I did in my independent life was to create my own cluster. The goal of this experiment was to familiarize myself with the internal structure of Ceph […]

Release of Firefox 78.0.1 and update of voice data for Mozilla Common Voice

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An emergency patch release of Firefox 78.0.1 has been published, which addresses an issue that arose in Firefox 78 causing installed search engines to disappear. After updating the browser, the quick access list to search engines was empty for some users, disrupting the auto-completion feature in the address bar and preventing queries from being sent through the search field on the homepage. The cause of the failure was related to enabling […]

Fedora is considering the possibility of discontinuing BIOS support at boot time

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Developers of Fedora are discussing the discontinuation of booting using the classic BIOS and leaving the option for installation only on systems that support UEFI. It is noted that systems based on the Intel platform have been shipped with UEFI since 2005, and by 2020, Intel planned to cease support for BIOS in client systems and data center platforms. The discussion on phasing out BIOS support […]

Pitfalls when switching to VDI: what to test in advance to avoid painful consequences

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Have you ever wondered what a scanner does with a VDI station? At first, everything seems fine: it is passed through as a regular USB device and is "transparently" visible from the virtual machine. Then the user gives the command to scan, and everything falls apart. At best — the scanner driver, worse — after a couple of minutes the scanning software, and then it may also affect other cluster users. Why? Because […]

We hide RDP and quickly assist users

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Dear reader! We can't wait to introduce you to a unique and useful feature of our IT infrastructure management system that makes diligent users happy and lazy ones unhappy. For more details, we invite you under the cut. We've already extensively covered the nuances of development (1, 2), the main functionality of Veliam, and monitoring in previous articles, leaving the most interesting aspects […]

Oh, how many wonderful discoveries Parallels has in store for us here!

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Oh, the wonderful discoveries that Parallels and Citrix prepare for us! The careless ignorant will suddenly disappear for a moment. This article is a logical continuation of "Comparison of VDI and VPN" and is dedicated to my deeper acquaintance with the company Parallels, particularly their product Parallels RAS. I recommend reading the previous article for a complete understanding of my position. Perhaps some readers […]

Release of the Tails 4.8 distribution and Tor Browser 9.5.1

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A release of the specialized distribution Tails 4.8 (The Amnesic Incognito Live System) has been created, based on the Debian package base and designed to provide anonymous internet access. Anonymous access in Tails is ensured by the Tor network. All connections, except for traffic through the Tor network, are blocked by the packet filter by default. To store user data in persistent mode between sessions, […]

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