Administration Section
Anyone who has ever needed to move an OpenVZ container to a server with full KVM virtualization has encountered certain issues: Most information is simply outdated and relevant to operating systems that have long passed their EOL cycle. Different operating systems always provide varying information, and possible errors during migration are rarely discussed. Sometimes you have to deal with […]
This article was specifically prepared for students of the "DevOps Practices and Tools" course. Fabian Reinartz is a software developer, a Go enthusiast, and loves tackling complex problems. He is also the maintainer of Prometheus and co-founder of the Kubernetes SIG Instrumentation. Previously, he was a production engineer at SoundCloud and led the monitoring team at CoreOS. He currently works at Google. Bartek […]
My name is Denis Rozhkov, and I am the head of software development at Gazinformservice, working in the Jatoba product team. Legislation and corporate standards impose certain requirements on data storage security. No one wants unauthorized parties to gain access to confidential information, therefore the following issues are crucial for any project: identification and authentication, data access management, ensuring information integrity in […]
On May 26, we invite you to an online event titled "Azure for Everyone: Introductory Course" — it's a great opportunity to learn about Microsoft’s cloud technologies in just a couple of hours in an online format. Microsoft specialists will help you unleash the full potential of the cloud, sharing their knowledge, offering exclusive insights, and practical sessions. During the two-hour webinar, you will learn about the general concepts of cloud […]
Minio is a simple, fast, and AWS S3-compatible object storage solution. Minio is designed for hosting unstructured data such as photos, videos, log files, and backups. Minio also supports distributed mode, which allows multiple disks to connect to a single object storage server, even if they are located on different machines. The goal of this post is to set up […]
According to Statista, by 2025, the big data market will grow to 175 zettabytes from 41 in 2019 (chart). To get a job in this field, it's essential to understand how to work with large data sets stored in the cloud. Cloud4Y has prepared a list of 12 paid and free data engineering courses that will enhance your knowledge in this area and […]
QUIC (Quick UDP Internet Connections) is a protocol over UDP that supports all features of TCP, TLS, and HTTP/2, addressing many of their issues. It is often referred to as a new or 'experimental' protocol, but it has long surpassed the experimental stage: development has been ongoing for over 7 years. During this time, the protocol has not yet become a standard, but it has gained widespread adoption. […]
In complex ERP systems, many entities have a hierarchical nature, where homogeneous objects are structured in a tree of relationships 'ancestor – descendant' — this includes the organizational structure of the enterprise (all these branches, departments, and working groups), product catalogs, project sections, and the geography of sales points. In fact, there is no area of business automation where some hierarchy isn’t present […]
In our local network aggregation, there were six pairs of Arista DCS-7050CX3-32S switches and one pair of Brocade VDX 6940-36Q switches. It's not that the Brocade switches were a major concern in this network; they work and fulfill their functions, but we were preparing for full automation of certain actions, which we didn't have the capabilities for on these switches. Plus, we wanted […]
How is accounting currently managed in companies? Typically, it's a package of 1C installed on the local computer of an accountant, where a full-time accountant or an outsourced specialist works. The outsourcer can handle several client companies at once, sometimes even competitors. In this approach, access to bank accounts, crypto-security funds, electronic document management, and other important services is set up directly on the accountant's computer. What […]
The RUVDS blog on Habrahabr has seen it all: the popularization of JavaScript, cool translated materials, yachting, education and professional development issues, burgers, cheeses, beer, and calendars featuring cyber girls. The idea to talk about the basics of trading and working in the stock market has been with us for a long time, and here's why. Most companies writing on stock market topics have a clear goal: to acquire clients for their […]
We continue the conversation about nuances and recommended best practices. Is a backup channel necessary, and what should it be like? Introduction Until you start working remotely seriously and for a long time, you don't consider many things. For example, how to ensure quick system recovery. Where to get a computer to replace a broken one if you need to connect to work not in a day, but right away […]