How To Install qemu-kvm on Ubuntu 20.04
Introduction
In this tutorial we learn how to install qemu-kvm on Ubuntu 20.04.
What is qemu-kvm
qemu-kvm is:
QEMU is a fast processor emulator. This package provides just a wrapper script /usr/bin/kvm which run qemu-system-x86 in kvm mode for backwards compatibility.
Package: qemu-kvm Architecture: amd64 Version: 1:4.2-3ubuntu6 Multi-Arch: foreign Priority: optional Section: misc Source: qemu Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian QEMU Team [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 129 Depends: qemu-system-x86 (= 1:4.2-3ubuntu6) Filename: pool/main/q/qemu/qemu-kvm_4.2-3ubuntu6_amd64.deb Size: 13124 MD5sum: 4eb11e59d619b90a896b7fb2fc041295 SHA1: d0cff8e803a482b6942cb3a2bdf5d680640b545e SHA256: 3ce7b8ac6f927e63b399feb57d65359fd97f8511f82efeb54012a45156285298 Homepage: http://www.qemu.org/ Description-en: QEMU Full virtualization on x86 hardware QEMU is a fast processor emulator. This package provides just a wrapper script /usr/bin/kvm which run qemu-system-x86 in kvm mode for backwards compatibility.
There are three methods to install qemu-kvm on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install qemu-kvm Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install qemu-kvm using apt-get by running the following command:
sudo apt-get -y install qemu-kvm
Install qemu-kvm Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install qemu-kvm using apt by running the following command:
sudo apt -y install qemu-kvm
Install qemu-kvm Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install qemu-kvm using aptitude by running the following command:
sudo aptitude -y install qemu-kvm
How To Uninstall qemu-kvm on Ubuntu 20.04
To uninstall only the qemu-kvm package we can use the following command:
sudo apt-get remove qemu-kvm
Uninstall qemu-kvm And Its Dependencies
To uninstall qemu-kvm and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove qemu-kvm
Remove qemu-kvm Configurations and Data
To remove qemu-kvm configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge qemu-kvm
Remove qemu-kvm configuration, data, and all of its dependencies
We can use the following command to remove qemu-kvm configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge qemu-kvm
References
Summary
In this tutorial we learn how to install qemu-kvm package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
