Virtual machine (VM)

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NixOS: Enabling LXD virtual machines using Flakes

NixOS: Enabling LXD virtual machines using Flakes

Categories: Hack, Learning | Tags: GitHub, Learning and tutorial, Linux, LXD, Packaging, VM, NixOS, Open source

Nixpkgs is an ever-increasing collection of software packages for Nix and NixOS. Even with more than 80,000 packages, you easily run in a situation where there is a functionality that is not yet…

Kellian COTTART

By Kellian COTTART

May 13, 2022

Reliable and reproducible Linux installation with NixOS

Reliable and reproducible Linux installation with NixOS

Categories: Infrastructure, Learning | Tags: Linux, Packaging, VM, NixOS, TDP

When using an operating system, upgrading packages or installing new ones are common tasks that introduce the risk of affecting the stability of the system. NixOS is a Linux distribution that ensures…

Florent MOUAFFO

By Florent MOUAFFO

Feb 8, 2022

Installing Kubernetes on CentOS 7

Installing Kubernetes on CentOS 7

Categories: Containers Orchestration | Tags: CentOS, cgroups, CNCF, DevOps, Infrastructure, Namespaces, Red Hat, VM, Ceph, Docker, Kubernetes

This article explains how to install a Kubernetes cluster. I will dive into what each step does so you can build a thorough understanding of what is going on. This article is based on my talk from the…

Arthur BUSSER

By Arthur BUSSER

Jan 29, 2019

LXD: The Missing Piece

LXD: The Missing Piece

Categories: Containers Orchestration | Tags: CPU, Linux, LXD, VM, Docker, Kubernetes

LXD stands for Linux Container Daemon. Yet another container technology. But LXD is very different. It stands apart from the pack. It is not necessarily better nor much faster nor more secure! But it…

Tariq SAHNOUNI

By Tariq SAHNOUNI

Dec 28, 2018

KVM machines for Vagrant on Archlinux

KVM machines for Vagrant on Archlinux

Categories: DevOps & SRE | Tags: Arch Linux, KVM, Linux, Virtualization, VM, Vagrant

Vagrant supports different providers to manage virtualization. In a Linux environment, you can dramatically improve VM performance by using the libvirt provider and the KVM hypervisor. This tutorial…

Gauthier LEONARD

By Gauthier LEONARD

Sep 19, 2018

Publishing guidelines

Publishing guidelines

Categories: DevOps & SRE | Tags: Arch Linux, KVM, Markdown, VM, Vagrant

This is as much a set of guidelines targeting everyone publishing content on the web as rules for reviewers to ensure no validation is forgotten before submitting for publication. It mostly targets…

David WORMS

By David WORMS

Feb 28, 2018

Hadoop development cluster of virtual machines with static IP using VirtualBox

Hadoop development cluster of virtual machines with static IP using VirtualBox

Categories: Infrastructure | Tags: Ambari, Hortonworks, Red Hat, VirtualBox, VM, VMware, Cloudera, Network

A few days ago, I explained how to set up a cluster of virtual machine with static IPsand Internet access suitable to host your Hadoop cluster locally for development. At the time I made use of VMWare…

David WORMS

By David WORMS

Mar 14, 2013

Virtual machines with static IP for your Hadoop development cluster

Virtual machines with static IP for your Hadoop development cluster

Categories: Infrastructure | Tags: Ambari, Hortonworks, Red Hat, VirtualBox, VM, VMware, Cloudera, Network

While I am about to install and test Ambari, this article is the occasion to illustrate how I set up my development environment with multiple virtual machines. Ambari, the deployment and monitoring…

David WORMS

By David WORMS

Feb 27, 2013

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