Linux Modern Infrastructure

KVM & Container Technologies on CentOS Stream 9 & Stream 10

Course Overview

This comprehensive course covers modern infrastructure technologies including Kernel-based Virtual Machine (KVM) virtualization and container technologies (Docker, Podman) on CentOS 9.

Prerequisites

• Basic Linux command line knowledge
• CentOS Stream 9/10 installed system
• sudo/root privileges

Virtualbox
https://www.virtualbox.org/

update system

sudo dnf update -y
sudo dnf upgrade -y

sudo dnf install -y epel-release
sudo dnf install -y vim wget curl net-tools bind-utils tree htop

Verify kvm kernel module

lsmod | grep kvm

if not show

Workshop

Enable Nested hypervisor from Windows

• Run Virtualbox on Windows terminal to tell virtualbox (VboxManage command) enable nested hypervisor

$ VBoxManage modifyvm <VirtualMachineName> --nested-hw-virt on

Remove Hyper-V

• Disable Hyper-V from CLI

bcdedit /set hypervisorlaunchtype off
DISM /Online /Disable-Feature:Microsoft-Hyper-V

Disable Hyper-v from Windows Feature

• Open menu and Disable options from image belows

Turn off Core Isolate

• Open meniu