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Hello everyone! In December, OTUS is launching a new course - Cloud Solution Architecture. In anticipation of this course, we are sharing an interesting material on the topic. AWS Landing Zone is a solution that helps customers quickly set up a secure AWS environment with multiple accounts based on best practices. For more than five years, we have been […]
The Qt project has released the first stable version of Qt for MCUs 1.0, a version of the Qt 5 framework for microcontrollers and low-power devices. The package allows developers to create graphical user interface applications similar to smartphone interfaces for various consumer electronics, wearables, industrial equipment, and smart home systems. Development is done using the familiar API and standard developer tools used […]
The release of the Live distribution NomadBSD 1.3 is now available, which is a FreeBSD edition adapted for use as a portable desktop bootable from a USB drive. The graphical environment is based on the Openbox window manager. DSBMD is used for mounting drives (supporting mounting of CD9660, FAT, HFS+, NTFS, Ext2/3/4), wifimgr is used for wireless network configuration, and DSBMixer is used for volume control. The size of the boot image is 2.3 […]
The release of the web browser Pale Moon 28.8 has been introduced, which forks from the Firefox codebase to provide higher performance, maintain the classic interface, minimize memory usage, and offer additional customization options. Pale Moon builds are created for Windows and Linux (x86 and x86_64). The project's code is distributed under the MPLv2 license (Mozilla Public License). The project adheres to a classic interface organization, without […]
Microsoft has announced that the Collections feature is now available to all users of the Edge browser on the Canary and Dev channels. This feature allows users to collect, organize, export, and share content from the Internet, resembling an advanced version of bookmarks. Previously, the company tested the innovation with a limited group of users, but it is now adding it for everyone. New features include collection synchronization, header editing, and support […]
It is said that the best password is one that you don’t have to remember. In the case of MySQL, this is made possible thanks to the auth_socket plugin and its version for MariaDB — unix_socket. Both of these plugins are not new, and there has been much discussion about them in this blog, for example in an article on changing passwords in MySQL 5.7 using the auth_socket plugin. […]
Is it possible to combine multiple Internet channels into one? There are many misconceptions and myths surrounding this topic, and even experienced network engineers often do not know that it is possible. In most cases, what is mistakenly referred to as channel aggregation is actually NAT-level load balancing or failover. However, true summation allows a single TCP connection to simultaneously use all Internet channels, such as in video streaming […]
Do you want to use Linux at work, but the corporate VPN doesn't allow it? This article might help, although it's not guaranteed. I want to warn you in advance that I have a limited understanding of network administration, so it's possible I did everything wrong. On the other hand, I might be able to write a guide that's understandable for regular people, like […]
The release of the Lustre 2.13 clustered file system has been published, which is used in the majority (~60%) of the largest Linux clusters containing tens of thousands of nodes. Scalability in such large systems is achieved through a multi-component architecture. The key components of Lustre include metadata processing and storage servers (MDS), management servers (MGS), object storage servers (OSS), object storage (OST, supported to work over ext4 and ZFS), and clients. […]
In the coming days, Windows 10 Mobile will receive its final updates, and Microsoft is preparing to completely discontinue support for the mobile OS. This is partly reflected in the abandonment of support for other applications. Reportedly, Word, Excel, PowerPoint, and OneNote for the mobile system will no longer receive security updates, non-security fixes, free assisted support, or new […]
Background There are self-developed vending machines. Inside are Raspberry Pi and some additional circuitry on a separate board. They are connected to a coin acceptor, a bill validator, and a banking terminal… Everything is controlled by custom software. All operation history is written to a log on a flash drive (MicroSD), which is then transmitted via the internet (using a USB modem) to a server, where it is stored in a database. Sales information is uploaded to 1C, and there is also […]
SynQuacer E-Series Motherboard for a 24-Core ARM Server with ARM Cortex A53 Processor and 32 GB of RAM, December 2018 For many years, ARM processors with a reduced instruction set (RISC) have dominated the mobile device market. However, they have not been able to penetrate data centers, which are still ruled by Intel and AMD with their x86 instruction set. Periodically, […]