• Meetup Online #2 | The role of open virtualization...

    Did you know that over 72% of users use more than one virtualization platform? And as many as 60% of enterprises use open-source solutions? That is why open virtualization is the main theme of our new meetup, which we organize together with Storware and Red Hat! CLICK TO REGISTER! On October 13, industry experts associated

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  • Ansible, part III – YAML and Playbooks

    In the previous article, we showed how useful are ad-hoc commands. They allow us to run individual tasks on multiple nodes. Ad hoc commands are used on an ad hoc basis, hence their name. Their limitation is that they can only perform one module with one set of arguments at a time. It happens, that

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  • 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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  • Safer DNS, e-mail and other improvements of RHEL 8

    In the first part of this article, we wrote about high-performance packet processing at the network adapter level using XDP and eBPF, and about the possibility of achieving greater throughput with lower latency, thanks to the BBR algorithm for TCP. These two new possibilities of the RHEL8 system bring benefits to everyone, regardless of the

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  • How to use Roles. Ansible for oVirt/RHV – Part I...

    Last time we spent some time to understand how Ansible works with RHV/oVirt infrastructure. We discussed all necessary packages and tools we need to start our first automation task. Then finally we were able to write and execute out first playbook against our demo RHV infrastructure. That was last time. In this post we will

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  • Five applications of Red Hat Satellite

    Complexity and the amount of applications and services in today’s IT environments are still growing. Manual management increases not only the security and not compliance risks, but also the time needed to detect and remove it. The same applies to the continuity of IT system services and errors – as much as 17% of data

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  • Let’s get started with Ansible for RHV/oVirt!

    Have you ever think how to automate your everyday tasks on your RHV/oVirt infrastructure? In this post we will guide you how to start your RHV/oVirt automation in just 15 min! Let’s get started! Red Hat Virtualization/oVirt includes support for the Ansible automation tool. Ansible can be used to configure systems, deploy software, and perform

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  • Getting started with Ansible – first playboo...

    Ansible has stolen the hearts of many Ops people Quite recently, during an AWS workshop, one of the topics was AWS OpsWorks. OpsWorks is actually a service that provides managed instances of Chef or Puppet. AWS admins and DevOps have been asked: “How do you automate configuration changes in your AWS environments?”. And, majority answered:

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