• Red Hat Ansible Automation – architecture and fe...

    Red Hat Ansible Automation is an open source automation platform. It is suitable for both low-level automation, which connects directly to each of the elements separately, and high-level, which is implemented through dedicated controllers from other manufacturers. In addition to the automation of other Red Hat Solutions, it also automat products and solutions from other

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  • Ansible, part IV – Variables and Jinja2 Template...

    Variables are used to store various types of data. Their values usually depend on the location or context in which they are located. Variables can be completely independent entities or grouped together with other variables, to describe or parameterize a given object. For this purpose, we can use the structure of a dictionary, which groups

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  • Service Orchestration – let’s warm-up!

    Orchestration simplifies the process of provisioning and providing services. It is highly conditioned by the automation of all tasks related to these processes. It applies to the network automation as well as automation of platforms and systems in which services will be launched and maintained. Below we’ve shown an example of architecture oriented to support

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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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  • OCI – what is that?

    You know the TCP / IP protocol, right? So you would like to know OCI. Trust me, you do want to. “What the hell is this guy talking about ?! Everyone knows that TCP / IP means the internet, and now someone wants to say that something is as important as the internet? No, I

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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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  • 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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