How To Install qemu on Ubuntu 22.04

In this tutorial we learn how to install qemu on Ubuntu 22.04. qemu is fast processor emulator, dummy package

Introduction

In this tutorial we learn how to install qemu on Ubuntu 22.04.

What is qemu

qemu is:

QEMU is a fast processor emulator. Once upon a time there was only one package named qemu', with all functionality included. These days, qemu become large and has been split into numerous packages. Different packages provides entirely different services, and it is very unlikely one will need all of them together. So current qemu’ package makes no sense anymore, and is becoming a dummy package.

If you want full system emulation of some architecture, install one or more of qemu-system-ARCH packages. If you want user-mode emulation, install qemu-user or qemu-user-static package. If you need utilities, use qemu-utils package.

This package can safely be removed.

There are three methods to install qemu on Ubuntu 22.04. 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 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 using apt-get by running the following command:

sudo apt-get -y install qemu

Install qemu Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install qemu using apt by running the following command:

sudo apt -y install qemu

Install qemu 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 using aptitude by running the following command:

sudo aptitude -y install qemu

How To Uninstall qemu on Ubuntu 22.04

To uninstall only the qemu package we can use the following command:

sudo apt-get remove qemu

Uninstall qemu And Its Dependencies

To uninstall qemu and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove qemu

Remove qemu Configurations and Data

To remove qemu configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge qemu

Remove qemu configuration, data, and all of its dependencies

We can use the following command to remove qemu configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge qemu

References

Summary

In this tutorial we learn how to install qemu package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.