How To Install grub-xen-host on Ubuntu 20.04
Introduction
In this tutorial we learn how to install grub-xen-host on Ubuntu 20.04.
What is grub-xen-host
grub-xen-host is:
GRUB is a portable, powerful bootloader. This version of GRUB is based on a cleaner design than its predecessors, and provides the following new features:
- Scripting in grub.cfg using BASH-like syntax.
- Support for modern partition maps such as GPT.
- Modular generation of grub.cfg via update-grub. Packages providing GRUB add-ons can plug in their own script rules and trigger updates by invoking update-grub.
This package arranges for GRUB binary images which can be used to boot a Xen guest (i.e. PV-GRUB) to be present in the control domain filesystem.
Package: grub-xen-host Architecture: amd64 Version: 2.04-1ubuntu26 Multi-Arch: foreign Priority: extra Section: universe/admin Source: grub2 Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: GRUB Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 5229 Depends: grub-xen-bin (= 2.04-1ubuntu26) Filename: pool/universe/g/grub2/grub-xen-host_2.04-1ubuntu26_amd64.deb Size: 981976 MD5sum: 7884eda32c75e05bc70949babedeb7b2 SHA1: 73e3cd4d4ed56bd9fbfd92fa46238460e2b705a8 SHA256: dbe6e5890b4bec4fc39e143eb6051bfe262470d64b4ea34c2ad9ed9c74392c76 Homepage: https://www.gnu.org/software/grub/ Description-en: GRand Unified Bootloader, version 2 (Xen host version) GRUB is a portable, powerful bootloader. This version of GRUB is based on a cleaner design than its predecessors, and provides the following new features:
- Scripting in grub.cfg using BASH-like syntax.
- Support for modern partition maps such as GPT.
- Modular generation of grub.cfg via update-grub. Packages providing GRUB add-ons can plug in their own script rules and trigger updates by invoking update-grub.
This package arranges for GRUB binary images which can be used to boot a Xen guest (i.e. PV-GRUB) to be present in the control domain filesystem.
There are three methods to install grub-xen-host 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 grub-xen-host Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install grub-xen-host using apt-get by running the following command:
sudo apt-get -y install grub-xen-host
Install grub-xen-host Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install grub-xen-host using apt by running the following command:
sudo apt -y install grub-xen-host
Install grub-xen-host 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 grub-xen-host using aptitude by running the following command:
sudo aptitude -y install grub-xen-host
How To Uninstall grub-xen-host on Ubuntu 20.04
To uninstall only the grub-xen-host package we can use the following command:
sudo apt-get remove grub-xen-host
Uninstall grub-xen-host And Its Dependencies
To uninstall grub-xen-host and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove grub-xen-host
Remove grub-xen-host Configurations and Data
To remove grub-xen-host configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge grub-xen-host
Remove grub-xen-host configuration, data, and all of its dependencies
We can use the following command to remove grub-xen-host configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge grub-xen-host
References
Summary
In this tutorial we learn how to install grub-xen-host package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.