• Virtual Machines and Containers: State of the Art 2024

    Virtual Machines and Containers: State of the Art 2024
    In this article we will see: Virtualization in GNU/Linux, Components of a virtualized environment, virtual machines, containers, LXD, Docker vs. LXC, Docker installation and examples, Cloud-init, D-Bus machine-id, Secure access using OpenSSH.

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  • Jenkins with Ansible on Docker

    Jenkins with Ansible on Docker
    Ansible integration with Jenkins in Docker In this tutorial Jenkins reads a Jenkinsfile from the repository and runs the pipeline. I created an image in dockerhub with Jenkins, Ansible, Docker and Python.

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  • Hadoop installation on CentOS 8 Tutorial

    Hadoop installation on CentOS 8 Tutorial

    In this tutorial weโ€™ll install the Big Data framework Apache Hadoop on a previously installed CentOS 8 virtual machine. Weโ€™ll use Docker containers for the cluster creation.

    This is for testing purposes and not for production. Be careful and donโ€™t expose it to Internet since Iโ€™m not setting up any security measure for it.

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  • Virtualisation and containers on GNU/Linux systems: State of the art

    Virtualisation and containers on GNU/Linux systems: State of the art

    This article was published in Espirito Livre magazine Paraguay edition in February 2015. In it we will see an introduction to virtualization, the use of containers and the new generation of minimalist operating systems for GNU/Linux.

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