How To Install qemu-user-binfmt on Ubuntu 20.04

In this tutorial we learn how to install qemu-user-binfmt on Ubuntu 20.04. qemu-user-binfmt is QEMU user mode binfmt registration for qemu-user QEMU user mode binfmt registration for qemu-user

Introduction

In this tutorial we learn how to install qemu-user-binfmt on Ubuntu 20.04.

What is qemu-user-binfmt

qemu-user-binfmt 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 binfmt support registration for the user mode emulation binaries from qemu-user. This is an empty package, it does not contain any additional files, only registration scripts which run at install and remove times.

Package: qemu-user-binfmt Architecture: amd64 Version: 1:4.2-3ubuntu6 Multi-Arch: foreign Priority: optional Section: universe/otherosfs 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: 37 Depends: qemu-user (= 1:4.2-3ubuntu6), binfmt-support Conflicts: qemu-user-static Breaks: binfmt-support (« 2.1.7~) Filename: pool/universe/q/qemu/qemu-user-binfmt_4.2-3ubuntu6_amd64.deb Size: 3120 MD5sum: 6966570a39bbb7d249503114a9d414ef SHA1: 5a556c46ac32fcb61182483d289a53067846e6a8 SHA256: 6dabf490d676003ab1b2c59e86c0f2d95cf071f38585d2916a80eafa593ca9c7 Homepage: http://www.qemu.org/ Description-en: QEMU user mode binfmt registration for qemu-user 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 binfmt support registration for the user mode emulation binaries from qemu-user. This is an empty package, it does not contain any additional files, only registration scripts which run at install and remove times.

There are three methods to install qemu-user-binfmt 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-user-binfmt 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-user-binfmt using apt-get by running the following command:

sudo apt-get -y install qemu-user-binfmt

Install qemu-user-binfmt Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install qemu-user-binfmt

Install qemu-user-binfmt 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-user-binfmt using aptitude by running the following command:

sudo aptitude -y install qemu-user-binfmt

How To Uninstall qemu-user-binfmt on Ubuntu 20.04

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

sudo apt-get remove qemu-user-binfmt

Uninstall qemu-user-binfmt And Its Dependencies

To uninstall qemu-user-binfmt and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove qemu-user-binfmt

Remove qemu-user-binfmt Configurations and Data

To remove qemu-user-binfmt configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge qemu-user-binfmt

Remove qemu-user-binfmt configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge qemu-user-binfmt

References

Summary

In this tutorial we learn how to install qemu-user-binfmt package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.