KVM (Kernel-based Virtual Machine) is a virtualization technology for Linux that allows you to run multiple virtual machines as if they were physical servers. In this guide, we will walk through the steps to install KVM and Libvirt on OpenSUSE, enabling you to create and manage virtual machines effectively.

Step 1: Update Your System

Before starting the installation, ensure your system is up to date. Open a terminal and run the following command:

sudo zypper refresh
sudo zypper update

Step 2: Install KVM and Libvirt

To install KVM and the necessary packages for virtualization, run the following command:

sudo zypper install kvm libvirt libvirt-daemon-system virt-manager

Step 3: Enable and Start Libvirt Service

After installation, enable and start the Libvirt service:

sudo systemctl enable libvirtd
sudo systemctl start libvirtd

Step 4: Verify KVM Installation

To check if your system supports hardware virtualization, run the following command:

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

If the output is greater than 0, your system supports virtualization. You can also verify that KVM modules are loaded:

lsmod | grep kvm

Step 5: Add Your User to the Libvirt Group

To manage virtual machines without root privileges, add your user to the libvirt group:

sudo usermod -aG libvirt $(whoami)

Log out and back in for the group changes to take effect.

Step 6: Access Virt-Manager

Virt-Manager is a graphical interface for managing virtual machines. You can launch it by running:

virt-manager

From here, you can create and manage your virtual machines easily.

Step 7: Create a Virtual Machine

To create a new virtual machine, open Virt-Manager, click on the New button, and follow the wizard to select the installation media, configure the VM settings, and start the installation process.

Conclusion

You have successfully installed KVM and Libvirt on OpenSUSE. You can now create and manage virtual machines with ease.

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