Author: Yuri Gagarin

CinelerraGG 2020-08 has been released

CinelerraGG is a fork of the non-linear video editor Cinelerra with the most frequent releases (once a month). New features in this release: Hotkeys for session saving (CTRL-S) and undo (CTRL-Z) have been added, along with the existing s and z. A new type of keyframe has been introduced — bump keyframes. These allow for the creation of rapidly changing parameters, such as fades or speeds. When using the speed curve (movement […]

Easy Monitoring of DFS Replication in Zabbix

Introduction With a sufficiently large and distributed infrastructure using DFS as a single point of access to data and DFSR for data replication between data centers and branch servers, the question of monitoring the status of this replication arises. It just so happened that almost immediately after starting to use DFSR, we began implementing Zabbix with the aim of replacing the existing zoo of various tools and streamlining monitoring […]

Integrating ELK and Exchange. Part 1

I'm starting a series of articles where I want to share my experience connecting Exchange and ELK. This stack will help process large volumes of logs without questioning at what scale traditional logging tools will cease to assist us. Let's get acquainted with a new player in the log arena. Exchange has a rather intricate logging system. The most sought-after logs are tracking logs, which monitor step-by-step progress […]

Anti-formats of the non-ideal DevOps Live

Usually, top-notch speakers who have 'devoured Docker and Kubernetes for breakfast' present at DevOps conferences, sharing their successful experiences with nearly unlimited resources from the corporations they work for. However, DevOps Live 2020 will be slightly different. DevOps blurs the lines between development and infrastructure, and DevOps Live 2020 blurs the boundaries between […]

Chrome for Android has enabled DNS-over-HTTPS support

Google has announced the phased rollout of the 'DNS over HTTPS' (DoH) mode for Chrome 85 users on the Android platform. This mode will gradually be activated, covering more users over time. The activation of DNS-over-HTTPS for desktop users began earlier with Chrome 83. DNS-over-HTTPS will be automatically enabled for users whose settings specify DNS providers that support this technology […]

A circular menu system Fly-Pie has been prepared for GNOME

The second release of the Fly-Pie project has been introduced, featuring an unusual implementation of circular context menus that can be used to launch applications, open links, and simulate hotkeys. The menu offers cascading items that are interlinked through dependency chains. An extension for GNOME Shell has been prepared for installation in GNOME 3.36 and has been tested in Ubuntu 20.04. For tips […]

Vulnerabilities in Docker container image security scanners

The results of the testing of tools for detecting unpatched vulnerabilities and identifying security issues in Docker container images have been published. The check showed that 4 out of 6 known Docker image scanners had critical vulnerabilities that could directly attack the scanner itself and achieve code execution on the system, in some cases (for example, when using Snyk) with root privileges. For […]

Feature Selection in Machine Learning

Hello, Habr! We at 'Rexsoft' have translated the article Feature Selection in Machine Learning into Russian. We hope it will be useful for everyone interested in the topic. In the real world, data is not always as clean as business clients often believe. This is why there is demand for data mining and data wrangling. It helps identify missing values and patterns in structured […]

6. NGFW for Small Business. Smart-1 Cloud

Greetings to everyone continuing to read the series on the new generation of NGFW Check Point from the SMB family (1500 series). In part 5, we discussed the SMP solution (management portal for SMB gateways). Today, I would like to talk about the Smart-1 Cloud portal, which positions itself as a SaaS-based Check Point solution, serving as the Management Server in the cloud, so it will […]

Email Migration Between Servers via User Interface Using IMAPSync

This article will discuss a method for migrating email between different servers using the IMAPSync utility through a simple user interface. The destination server must have a mailbox with the required login and password. Before using IMAPSync, it is essential to install it (https://imapsync.lamiral.info/#install). Due to the organization’s restriction on using employee mailbox passwords in the script, the migration process is handed over to the user. For […]

Critical vulnerability in the WordPress plugin File Manager, which has 700 thousand installations.

A vulnerability has been discovered in the File Manager WordPress plugin, which has over 700,000 active installations, allowing arbitrary commands and PHP scripts to be executed on the server. The issue affects File Manager versions 6.0 through 6.8 and has been resolved in version 6.9. The File Manager plugin provides tools for managing files for WordPress administrators, using […]

AWR: How much does Exadata influence database performance?

With this brief post, I would like to clarify a misunderstanding related to AWR analysis of databases running on Oracle Exadata. For almost 10 years, I've consistently encountered the question: What contribution does Exadata Software make to performance? Or, with newly coined terms: How much does Exadata influence the performance of a specific database? Often, the correct answer to this important question, in my opinion, is provided incorrectly […]

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