• Ansible, part II – modules and ad-hoc commands

    Sending ad-hoc commands is very simple and at the same time opens up many very useful possibilities. Thanks to them, we can conveniently issue single command on one or many nodes. Issuing such commands allows among others: querying for various statuses, compliance verification, configuration backup, node or service restart, file, package and user accounts management,

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  • Ansible, part I – basics and inventory

    Making changes manually is tedious, and problematic in terms of documenting. Ansible addresses both of these problems. It’s great for what we don’t like. It is doing the same thing on many elements. In addition, the resulting YAML file becomes a form of documentation. It certainly will not replace the typical documentation with diagrams, tables

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  • Automation in practice

    When we hear about automation, we often see the image of robots and machines replacing people and taking their jobs. Let’s not go to extremes and let’s not be deceived by these myths. Let’s look at it from a different perspective. Automation in practice – let’s warm-up! To perform low-level, repetitive and monotonous activities, you

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  • What administrators should know about OpenShift?

    OpenShift Container Platform is a platform for developing and running containerized applications. It is designed to allow applications and the data centers that support them to expand from just a few machines and applications to thousands of machines that serve millions of clients. With its foundation in Kubernetes, OpenShift Container Platform incorporates the same technology

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  • Server Virtualization Trends Q1 2020 Report

    What’s the most commonly used virtualization software in companies? What was the main reason for choosing the software? These and other questions we’ve asked members of groups and communities focused on virtualization-related topics, our clients and business partners around the world to answer our questions. The report shows current trends in the virtualization market and

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  • Quarkus: a next-generation Kubernetes native Java ...

    Quarkus is a Kubernetes Native Java framework tailored for GraalVM and HotSpot, crafted from best-of-breed Java libraries and standards. The goal of Quarkus is to make Java a leading platform in Kubernetes and serverless environments while offering developers a unified reactive and imperative programming model to optimally address a wider range of distributed application architectures.

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  • Docker is no more… 

    … anyway in Red Hat Enterprise Linux 8. And while the title may look a bit provoking – it really is the case. But before you start swearing – please let me assure you that Red Hat stays fully professional and focused on consumers satisfaction. So…? You guessed it, there is something much, much better.

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  • OpenShift for Developers. Streamline Application D...

    The Red Hat OpenShift 4 release focuses on tooling that is designed to deliver a developer-centric user experience. In previous blog we’ve introduced number of developer tools and now we’ll look at wider ecosystem of application development and deployment solutions which are available in OpenShift. Service Mesh Based on the Istio, Kiali and Jaeger projects

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  • RHEL 8 for data centers and cloud environments. Wh...

    In the next part of this article, we will go mostly through the better handling of software packages and more functional and safer support for containers and images. These elements are increasingly important in data centers and cloud environments. Before we get to it, let’s start with the most interesting feature for bare metal servers

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  • Web-based management interface, sessions recording...

    In the third part of this article, we will go through further improvements of the RHEL8 system, like: more efficient and secure graphic environment (GNOME and Wayland), recording of administrative sessions (terminal session recording), web-based management interface (Cockpit and its integration with Red Hat Satellite), simplified support for advanced disk system functions, better use of

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