How to Install KVM on Ubuntu 24.04 Step-by-Step

In this video tutorial, we will cover how to install KVM (Kernel-based Virtual Machine) on Ubuntu 24.04 LTS system and demonstrate creating a virtual machine using the virt-manager application.

########## KVM Installation Steps on Ubuntu 24.04 ##############

1) Package Apt Repository Packages Index

sudo apt update

2) Check if Virtualization is enabled

egrep -c '(vmx|svm)' /proc/cpuinfo

Install the cpu-checker package
sudo apt install -y cpu-checker

Another way to check if KVM virtualization is enabled

kvm-ok

3) Install KVM on Ubuntu 24.04

sudo apt install -y qemu-kvm virt-manager libvirt-daemon-system virtinst libvirt-clients bridge-utils

4) Enable and start virtualization daemon

sudo systemctl enable --now libvirtd
sudo systemctl start libvirtd

Check virtualization daemon is running
sudo systemctl status libvirtd

5) Add Your Local User to the KVM and Libvirt Group

sudo usermod -aG kvm $USER
sudo usermod -aG libvirt $USER

6) Create Network Bridge using netplan

Create a file with following content

sudo vi /etc/netplan/01-netcfg.yaml

network:
version: 2
renderer: NetworkManager
ethernets:
ens33:
dhcp4: false
dhcp6: false

bridges:
br0:
interfaces: [ens33]
dhcp4: false
addresses: [192.168.2.120/24]

routes:
- to: default
via: 192.168.2.1
metric: 100
nameservers:
addresses: [8.8.8.8]

save and close the file.

sudo chmod 600 /etc/netplan/*.yaml

Now, run following command to apply above network changes

sudo netplan apply

7) Launch KVM Virt-Manager and Create Virtual Machines

#howto #kvm #virtualization #ubuntu

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