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In my professional experience, I quite often have the opportunity to conduct recruitment, a part of which are questions related to Linux family systems. One of the standard questions is about an important, although in fact not saying much, system statistics, which is the average system load (abbreviated to loadavg). Unfortunately, it happens, also in the case of people with really impressive professional experience, that the candidate is not able to correctly describe and interpret the information ensuing from the load average.

Virtualization enables more effective use of existing hardware resources, generates large savings in server applications, allows building a flexible test environment and prepares for data transfer to the cloud. Therefore, today we are going to take a closer look at KVM, QEMU, libvirt and virt-manager.

The new version of EuroLinux brings a lot of changes compared to the previous one. In this article, we present the differences between these releases and describe the features exclusive for EuroLinux 8.

Podman 2.0 is a container development and management tool made available in the eighth version of EuroLinux. The software is compatible with Docker and offers many security benefits, mainly due to the ability to operate from the level of the unprivileged user (root less) and to abandon the daemon process (daemon-less).

Another surprising, and for many users shocking, news about the plans of the giant in the red hat. The company, which is more and more recognized as the one "terminating" open source ...

EuroLinux version 7.9 was released on November 3rd. This version is a milestone in the development of Enterprise Linux as it entered the second phase of support. In this phase, EuroLinux is still fully supported, but the number of updates is narrowed to essential packages and software patches. What changes does this released bring?

The EuroLinux repository from version 8 in addition to individual RPM packages introduces new modular functionality. A typical module includes application packages, packages with application-specific dependency libraries, documentation packages, and packages with supporting tools. This feature is characteristic of all Linux systems in the Enterprise family, which includes, among others, distributions of Red Hat®, Oracle®, CentOS and naturally EuroLinux itself. Thanks to streams, modules provide the ability to separate the operating system life cycle from the life cycle of the applications used.

Today we are glad to announce the general availability of EuroLinux AMI on the AWS (Amazon Web Services) platform. It is another step that broadens and strengthens our presence in cloud-based solutions.

As part of our commitment to building necessary tools and trust among development and maintenance team, we are constantly looking for new ways to offer our products and services. It's worth noticing ...

What are the benefits of database proxy? How does a proxy relate to high-availability solutions? Can a connection pooler offer any new possibilities? In this instalment of the series on creating reliable replicated PostgreSQL clusters, I will try to answer the above questions.

As part of the introduction to this material, we encourage you to read two previous articles from our blog: Basics of containerization and Docker in Linux part. I . We do not ...

Vagrant is one of the most popular tools in the world of DevOps. Allows you to instantly create and manage virtual machines or containers that come from a pre-set pattern (box). This approach does not require a long and wearisome installation of the system.

We are launching a new series of articles, this time dedicated to Docker. Today we will discuss the simplest commands related to it. We will start with installation and configuration, then we will move to adding the user to the group and importing the container image. Finally, we will list and destroy the container with the images.

This article was created to familiarize readers with the issue of containerization. Apart from discussing the most important concepts, I will also present a historical outline. This will allow you to understand that containers, contrary to appearances, are not a new technology. Their present shape is a derivative of an idea that has literally evolved through generations of enthusiasts and creators of operating systems.

Linux is a family of UNIX-like operating systems based on the Linux kernel. This system is an example of free and open source software (FLOSS). Its source code can be used, modified, ...