ProHoster > Articles on: Yuri Gagarin

Author: Yuri Gagarin

A technical specialist at ProHoster with over six years of experience in server administration, VPN solutions, and network security. I manage infrastructure setup and support, monitor service stability, and implement solutions to protect client data. I also contribute to performance optimization and compliance with modern security and privacy requirements.

Solaris 11.4 SRU21 is now available

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An update for the Solaris 11.4 SRU 21 (Support Repository Update) operating system has been published, offering a series of fixes and enhancements for the Solaris 11.4 branch. To install the updates provided in the update, simply execute the 'pkg update' command. The new release includes: A new package driver/network/ethernet/mlxne with drivers for supporting Mellanox ConnectX-4 and ConnectX-5 100Gb Ethernet adapters; Updated printing subsystem components: […]

NXNSAttack, affecting all DNS resolvers

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A group of researchers from Tel Aviv University and the Interdisciplinary Center in Herzliya (Israel) has developed a new NXNSAttack (PDF) method, allowing any DNS resolvers to be used as traffic amplifiers, achieving an amplification factor of up to 1621 times in the number of packets (for every query sent to the resolver, 1621 queries can be sent to the victim's server) and up to 163 times in traffic. The issue […]

Windows Terminal 1.0 has been released.

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We are incredibly proud to announce the release of Windows Terminal 1.0! Windows Terminal has come a long way since its announcement at Microsoft Build 2019. As always, you can download Windows Terminal from the Microsoft Store or from the releases page on GitHub. Windows Terminal will have monthly updates starting from July 2020. Windows Terminal […]

Chrome release 83

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Google has released version 83 of the Chrome web browser. At the same time, a stable release of the open-source Chromium project, which underpins Chrome, is also available. The Chrome browser features the use of Google logos, a crash notification system, the ability to download the Flash module on demand, support for playing protected video content (DRM), an automatic update installation system, and the transmission of RLZ parameters during searches. Due to the developers' transition to […]

Proxmox 6.2 «Virtual Environment»

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Proxmox is a commercial company offering specialized products based on Debian. The company has released Proxmox version 6.2, based on Debian 10.4 "Buster." New features include: Linux kernel 5.4, QEMU 5.0, LXC 4.0, ZFS 0.8.3, and Ceph 14.2.9 (Nautilus). Built-in domain validation for Let’s Encrypt certificates is supported. Full support for up to eight Corosync network channels. Zstandard support for backups and […]

Ack is better than grep

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I want to talk about a search utility that makes life much easier. When I access a server and need to search for something, the first thing I check is whether ack is installed. This utility is a great replacement for grep, and in some ways also for find and wc. Why not grep? Ack has more pleasant settings out of the box and is more user-friendly […]

Remotely exploitable vulnerability in the qmail mail server

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Security researchers from Qualys have demonstrated the exploitation of a vulnerability in the qmail mail server, known since 2005 (CVE-2005-1513), which remained unfixed because the author of qmail claimed that creating a working exploit that could be used to attack systems in default configuration was unrealistic. At Qualys, they managed to prepare an exploit that contradicts this assumption and allows initiating […]

Electron Release 9.0.0, an application development platform based on the Chromium engine

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A release of Electron 9.0.0 has been prepared, providing a self-sufficient framework for developing cross-platform user applications based on components of Chromium, V8, and Node.js. The significant version change is due to the update to the Chromium 83 code base, Node.js 12.14 platform, and V8 8.3 JavaScript engine. In this release: Enhanced capabilities related to spell checking and an API has been added for […]

Best Practices for Kubernetes. Creating Small Containers

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The first step in deploying to Kubernetes is placing your application in a container. In this series, we'll look at how to create an image of a small, secure container. Thanks to Docker, creating container images has never been easier. Specify a base image, add your modifications, and build the container. Although this approach is great for getting started […]

Best Practices for Kubernetes. Organizing Kubernetes with Namespaces

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Kubernetes Best Practices. Building Small Containers As you begin to create more and more Kubernetes services, straightforward tasks start to become complicated. For instance, developer teams can't create services or deployments under the same name. If you have thousands of pods, simply listing them will take a lot of time, not to mention […]

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