How To Install qemu-block-extra on Ubuntu 18.04

In this tutorial we learn how to install qemu-block-extra on Ubuntu 18.04. qemu-block-extra is extra block backend modules for qemu-system and qemu-utils

Introduction

In this tutorial we learn how to install qemu-block-extra on Ubuntu 18.04.

What is qemu-block-extra

qemu-block-extra is:

QEMU is a fast processor emulator: currently the package supports ARM, CRIS, i386, M68k (ColdFire), MicroBlaze, MIPS, PowerPC, SH4, SPARC and x86-64 emulation. By using dynamic translation it achieves reasonable speed while being easy to port on new host CPUs.

This package provides extra block device backend modules for qemu-system emulation and qemu-img from qemu-utils package, which are rarely used and has extra dependencies.

There are three methods to install qemu-block-extra on Ubuntu 18.04. 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-block-extra 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-block-extra using apt-get by running the following command:

sudo apt-get -y install qemu-block-extra

Install qemu-block-extra Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install qemu-block-extra

Install qemu-block-extra 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-block-extra using aptitude by running the following command:

sudo aptitude -y install qemu-block-extra

How To Uninstall qemu-block-extra on Ubuntu 18.04

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

sudo apt-get remove qemu-block-extra

Uninstall qemu-block-extra And Its Dependencies

To uninstall qemu-block-extra and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove qemu-block-extra

Remove qemu-block-extra Configurations and Data

To remove qemu-block-extra configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge qemu-block-extra

Remove qemu-block-extra configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge qemu-block-extra

References

Summary

In this tutorial we learn how to install qemu-block-extra package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.