How To Install grub-xen on Ubuntu 20.04
Introduction
In this tutorial we learn how to install grub-xen on Ubuntu 20.04.
What is grub-xen
grub-xen 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 is a dependency package for a version of GRUB that has been built for use with the Xen hypervisor (i.e. PV-GRUB). Installing this package indicates that this version of GRUB should be the active boot loader.
Package: grub-xen Architecture: amd64 Version: 2.04-1ubuntu26 Multi-Arch: foreign Priority: extra Section: 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: 178 Depends: debconf (>= 0.5) | debconf-2.0, grub-common (= 2.04-1ubuntu26), grub2-common (= 2.04-1ubuntu26), grub-xen-bin (= 2.04-1ubuntu26), ucf Conflicts: grub (« 0.97-54), grub-coreboot, grub-efi-amd64, grub-efi-ia32, grub-ieee1275, grub-legacy, grub-pc Filename: pool/main/g/grub2/grub-xen_2.04-1ubuntu26_amd64.deb Size: 46548 MD5sum: 132609b754182cf1045d050d939c004c SHA1: 777f6bf040fcc9fa82004a72dcb5969548f126a0 SHA256: 2fad9e9851eea4f52abc502ef0acea8e62b8b7fe94ee628b1b483f30ffe73704 Homepage: https://www.gnu.org/software/grub/ Description-en: GRand Unified Bootloader, version 2 (Xen 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 is a dependency package for a version of GRUB that has been built for use with the Xen hypervisor (i.e. PV-GRUB). Installing this package indicates that this version of GRUB should be the active boot loader.
There are three methods to install grub-xen 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 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 using apt-get by running the following command:
sudo apt-get -y install grub-xen
Install grub-xen Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install grub-xen using apt by running the following command:
sudo apt -y install grub-xen
Install grub-xen 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 using aptitude by running the following command:
sudo aptitude -y install grub-xen
How To Uninstall grub-xen on Ubuntu 20.04
To uninstall only the grub-xen package we can use the following command:
sudo apt-get remove grub-xen
Uninstall grub-xen And Its Dependencies
To uninstall grub-xen 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
Remove grub-xen Configurations and Data
To remove grub-xen configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge grub-xen
Remove grub-xen configuration, data, and all of its dependencies
We can use the following command to remove grub-xen configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge grub-xen
References
Summary
In this tutorial we learn how to install grub-xen package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.