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This tip is about the how to install QEMU/KVM on Ubuntu. So read this free guide, How to install QEMU/KVM on Ubuntu step by step. If you have query related to same article you may contact us.
How to install QEMU/KVM on Ubuntu – Guide
QEMU is a type 2 userland hypervisor (i.e. it runs on a host operating system) to perform hardware virtualization (not to be confused with hardware-assisted virtualization) such as hard disk, network, VGA, PCI, USB, serial ports/ parallel , and so on. It is flexible as it can emulate CPUs using dynamic binary translation (DBT), so code written for one processor will run on another (eg ARM on x86 or PPC on ARM).
KVM is a Linux kernel module. It is a type 1 hypervisor that is a complete virtualization solution for Linux on x86 hardware with virtualization extensions (Intel VT or AMD-V). But what is full virtualization? When a CPU is emulated by the hypervisor (vCPU), the hypervisor must translate instructions destined for the vCPU to the physical CPU. As you can imagine, this has a huge impact on performance.
To get around this, modern processors support virtualization extensions like Intel VT-x and AMD-V. These technologies provide the ability to map a portion of the physical CPU directly to the vCPU. Therefore, instructions destined for the vCPU can be executed directly on the physical CPU slice. In this article, we will show you how to install QEMU/KVM on Ubuntu.
How to Install QEMU/KVM on Ubuntu
How to install KVM on Ubuntu 20.04
In the following section, we present how to install KVM on Ubuntu 20.04 LTS in three simple steps.
Install the necessary packages
Check virtualization features
Start a VM
This opens an interactive console that you can use to manually install the Ubuntu guest.
How to Install QEMU on Ubuntu 20.04
One of the great advantages of QEMU is that it is available in the official Ubuntu repositories. Therefore, the installation is described as very easy.
And we go on to explain the installed packages. The qemu package is the package that contains the application. On the other hand, qemu-kvm is a package we need for QEMU to virtualize processes with KVM. Since QEMU is a tool that provides us with a graphical user interface, we installed virt-manager and virt-viewer to provide us with one. The libvirt packages are the binaries used by both QEMU and KVM to perform virtualization and service monitoring.
Final note
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