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A standard High Availability system should be available 99.999% of the time – it can have 5 minutes and 15.6 seconds of downtime per year. Because of the number of nines, it is called "five nines." However, there are "six nines" or "seven nines" systems. In this article, we will take a closer look at HA and discuss the types of high availability system architectures in PostgreSQL.

In the previous article in this series, we showed how to build a simple server using a web framework like flask. Today we'll show how to extend that project and improve it with user authentication using cookies.

EuroLinux 9 as a new release introduces a number of changes to virtualization and related tools. Many components have been replaced with more modern counterparts that improve performance and introduce new features. Today we will take a closer look at these changes.

One of the milestones in the development of operating systems was memory virtualization. It allows processes in the system to "see" memory as a continuous area that is available to them. In today's article we will look at creating a swap file that will reside on one of our system's disks.

We are pleased to announce that IT Center for Education and Science has chosen EuroLinux products in the organized proceedings for "supply of subscriptions to the software used by the Ordering Party ...

After nearly 9 months since the creation of PostgreSQL 14, the developers of the popular database engine have decided to release PostgreSQL 15 beta version. In this article we will take a closer look at what waits for us in PostgreSQL 15 - one of the most popular open source object-relational database management systems.

With the beginning of Q3, we published an updated roadmap for the EuroLinux operating system. These are our development plans and related activities. In line with our transparency strategy, we are providing upfront information about upcoming work.

Upgrade the version of your Linux distribution – this is the message of the ELevate project. In this article, we will show you how to easily perform a CentOS 7 to EuroLinux 8 upgrade without changing both applications and data with its help. The migration is fast, seamless and performed automatically in-place.

In this article, we will set up a learning and testing environment for Kubernetes technology using the basic kubeadm tool. In this example, we will connect 2 machines to EuroLinux system. An environment built with at least two machines will allow the practice of node management.

We are pleased to announce that on customers request, we have added the possibility of quick purchase of our products and services. From now on, the selected EuroLinux products together with the technical support can be purchased in a convenient way at any time in the web store.

The final step of a software project created for a client is its delivery and implementation. The delivery process should ensure confidentiality and security for the customer and be resistant to potential attacks. Today we will discuss how this process is accomplished by EuroLinux.

We released version 9.0 of the EuroLinux operating system. This release focuses on providing improved default cryptographic policies, a 5.14 kernel, a graphical management interface via a web panel, and improvements related to cloud, virtualization and containerization. "Nine" also introduces a major update in the form of the GNOME 40 desktop environment (with modern GTK 4).

Random data generation is one of the most important features of databases used in companies. It is used on various technical as well as business levels. It provides an opportunity for secure testing of databases and helps to develop competence in database administration.

Backporting is the task of taking a bugfix from the latest version of an upstream software package and applying that fix to an older version of the same software. It is part of the preservation step in the application development process, and is sometimes used to add new features to older versions of software.

In today’s article we’ll collate certain cloud resource (environments) management applications, as well as those that include virtualization and containerization. We’ll describe the solutions from our Euro* stack, their application and other Enterprise market equivalents.