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kvm install
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kvm install
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To check whether the Ubuntu system supports virtualization, run the following command.
$ egrep -c '(vmx|svm)' /proc/cpuinfo
To check if your system supports KVM virtualization execute the command:
$ sudo kvm-ok
If the “kvm-ok” utility is not present on your server, install it by running the apt command:
$ sudo apt install cpu-checker
Now execute the “kvm-ok” command to probe your system.
$ sudo kvm-ok
Step 2: Install KVM on Ubuntu 20.04 LTS
With the confirmation that our system can support KVM virtualization, we are going to install KVM, To install KVM, virt-manager, bridge-utils and other dependencies, run the command:
$ sudo apt install -y qemu qemu-kvm libvirt-daemon libvirt-clients bridge-utils virt-manager
A little explanation of the above packages.
The qemu package (quick emulator) is an application that allows you to perform hardware virtualization.
The qemu-kvm package is the main KVM package.
The libvritd-daemon is the virtualization daemon.
The bridge-utils package helps you create a bridge connection to allow other users to access a virtual machine other than the host system.
The virt-manager is an application for managing virtual machines through a graphical user interface.
Before proceeding further, we need to confirm that the virtualization daemon – libvritd-daemon – is running. To do so, execute the command.
$ sudo systemctl status libvirtd
You can enable it to start on boot by running:
$ sudo systemctl enable --now libvirtd
To check if the KVM modules are loaded, run the command:
$ lsmod | grep -i kvm