• 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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  • 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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  • 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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  • Why to choose Red Hat Enterprise Linux 8?

    No one likes renovations. Changes in IT systems and data centers will continue to be more and more noticeable and expensive. The reason for this is the increasing complexity of these environments, as well as the growing amount of data, services and applications. This year, on May 7 2019, the 8th version of Red Hat

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  • How and why vProtect displaced Bacula for protecti...

    After years of almost exponential growth, with many businesses virtualizing over 80% of their workloads, the virtualization industry has hit a tipping point. Now more than ever, organizations are questioning the value proposition of the “Big Two”, VMware and Hyper-V, and looking at alternative hypervisors. And this means looking at backup eco-system alternatives as well.

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  • Agent-less backup strategies for oVirt/RHV

    For oVirt and RHV, like for almost any other virtualization platform, it is possible to provide agent-less backup solution. Actually, there is even more than one way to do this. In this short article I’ll explain 3 different ways to backup VMs in these environments using snapshot mechanism. Let me tell you a short story…

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  • Disaster Recovery / Replication for oVirt/RHV

    If you ever heard about VMware Site Recovery Manager: Disaster Recovery Software? If your answer is yes and you miss to getting this set of features in oVirt, Red Hat Virtualization project, I’ve got some good news for you :-). In November 2018, we launched an open source project called DRoVirt. What’s more, we did with a team

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