Category: Blog

The FreeBSD project is conducting a survey to prioritize development.

FreeBSD developers announced a survey for users and developers of the project to help prioritize development and identify areas needing special attention. The survey consists of about 50 questions and takes approximately 15 minutes to complete. Responses will be accepted until June 16. Topics include application areas, tool preferences in […]

FreeNAS developers introduced the TrueNAS SCALE distribution based on Linux.

iXsystems, the company behind the rapid deployment distribution FreeNAS and its commercial products TrueNAS, has announced the launch of a new open project called TrueNAS SCALE. A key feature of TrueNAS SCALE is the use of the Linux kernel and a Debian 11 (Testing) package base, while all previously released products from the company, including TrueOS (formerly PC-BSD), […]

The evolution of DATA VAULT and the transition to BUSINESS DATA VAULT.

In the previous article, I discussed the basics of DATA VAULT, describing its key elements and their purposes. However, this topic is not exhausted; we need to address the next stages of the evolution of DATA VAULT. In this article, I will focus on the development of DATA VAULT and the transition to BUSINESS DATA VAULT or simply BUSINESS VAULT. The reasons for its emergence […]

The deadly sins of website security: what we learned from a year of vulnerability scanner statistics.

About a year ago, we at DataLine launched a service for detecting and analyzing vulnerabilities in IT applications. The service is based on the cloud solution Qualys, which we have already reported on. Over the course of a year with this solution, we conducted 291 scans for different websites and accumulated statistics on common vulnerabilities in web applications. In the article below, I will show exactly which […]

Release of Stratis 2.1, a toolkit for managing local storage.

After seven months of development, version 2.1 of the Stratis project has been released, developed by Red Hat and the Fedora community to unify and simplify the configuration and management of pools of one or more local storage devices. Stratis offers features such as dynamic storage allocation, snapshots, data integrity assurance, and layer creation for caching. The project's code is written in Rust […]

Update of the Elementary OS 5.1.5 distribution

The release of Elementary OS 5.1.5 has been announced, marketed as a fast, open-source, and privacy-respecting alternative to Windows and macOS. The project focuses on high-quality design aimed at creating a user-friendly system that consumes minimal resources and ensures fast boot times. Users are offered a custom desktop environment called Pantheon. Bootable ISO images (1.5 GB) are prepared for download […]

Release of the Nextcloud Hub 19 collaboration platform

A new version of the Nextcloud Hub 19 platform has been unveiled, providing a self-contained solution for the collaboration of enterprise and project teams. At the same time, the cloud platform Nextcloud 19, which underpins Nextcloud Hub, has been released, enabling the deployment of cloud storage with synchronization and sharing capabilities, allowing data viewing and editing from any device at any location […]

One-cloud — data center-level operating system in Odnoklassniki

Aloha, people! My name is Oleg Anastasyev, and I work at Odnoklassniki on the Platform team. Besides me, a lot of hardware works at Odnoklassniki. We have four data centers, housing around 500 racks with over 8,000 servers. At one point, we realized that implementing a new management system would allow us to utilize our equipment more effectively and streamline management […]

Should we "turn off" the servers if the smoke test of the data center "lights up"?

What would you feel if one fine summer day the data center with your equipment looked like this? Hello everyone! My name is Dmitry Samsonov, and I work as a lead system administrator at "Odnoklassniki." In the photo is one of the four data centers housing the equipment servicing our project. Behind these walls, there are about 4,000 units: servers, systems […]

Linux tuning to improve PostgreSQL performance. Ilya Kosmodemyansky

Decoding the 2015 report by Ilya Kosmodemyansky titled "Linux tuning to improve PostgreSQL performance" Disclaimer: I should note that this report is dated November 2015 — more than 4 years have passed and much time has gone by. The version considered in the report, 9.4, is no longer supported. In the past 4 years, 5 new releases of PostgreSQL have come out and 15 kernel versions of Linux. If we rewrite […]

Google will highlight parts of content on pages based on text from search results.

Google has added an interesting option to its trademark search system. To help users navigate the content of the web pages they are viewing and quickly find the information they are looking for, Google will highlight snippets of text that were displayed in the answer block in the search results. Over the past few years, Google developers have been testing the content highlighting feature on web pages based on clicking on a snippet of text, […]

Dangerous vulnerabilities in QEMU, Node.js, Grafana, and Android.

Several recently discovered vulnerabilities: Vulnerability (CVE-2020-13765) in QEMU, which could potentially lead to code execution with the rights of the QEMU process on the host system when loading a specially crafted kernel image in the guest system. The issue is caused by a buffer overflow in the code copying ROM contents during the system boot and manifests when loading the contents of a 32-bit kernel image into memory. The fix […]

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