How To Install ubuntu-release-upgrader-core on Ubuntu 20.04
Introduction
In this tutorial we learn how to install ubuntu-release-upgrader-core on Ubuntu 20.04.
What is ubuntu-release-upgrader-core
ubuntu-release-upgrader-core is:
This is the core of the Ubuntu Release Upgrader Task: standard
Package: ubuntu-release-upgrader-core Status: install ok installed Priority: optional Section: admin Installed-Size: 336 Maintainer: Ubuntu Developers [email protected] Architecture: all Source: ubuntu-release-upgrader Version: 1:20.04.30 Replaces: update-manager (« 1:0.165), update-manager-core (« 1:0.165) Depends: python3:any, python3-distupgrade (= 1:20.04.30), ca-certificates Recommends: libpam-modules (>= 1.0.1-9ubuntu3) Breaks: software-properties (« 0.9.27), update-manager (« 1:0.165), update-manager-core (« 1:0.165) Conffiles: /etc/update-manager/meta-release 25ba16c3215bff43f0272d3d93103f15 /etc/update-manager/release-upgrades 54fd85e86c6bc2db8d7cc3c18013e3aa /etc/update-motd.d/91-release-upgrade a6ba2e5427783fd21ef8610e1ea927d1 Description-en: manage release upgrades This is the core of the Ubuntu Release Upgrader
Package: ubuntu-release-upgrader-core Architecture: all Version: 1:20.04.18 Priority: standard Section: admin Source: ubuntu-release-upgrader Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 332 Depends: python3:any, python3-distupgrade (= 1:20.04.18), ca-certificates Recommends: libpam-modules (>= 1.0.1-9ubuntu3) Breaks: software-properties (« 0.9.27), update-manager (« 1:0.165), update-manager-core (« 1:0.165) Replaces: update-manager (« 1:0.165), update-manager-core (« 1:0.165) Filename: pool/main/u/ubuntu-release-upgrader/ubuntu-release-upgrader-core_20.04.18_all.deb Size: 23524 MD5sum: a0a21b3f31457f6b9a4acd391f0dd43c SHA1: d78f458ac040fcb094c5133fc59f4d9e0c41c861 SHA256: 85925a6cbbca1945845f6e4c121aca432e80e938fc0a309b04d033ed71a1bd94 Description-en: manage release upgrades This is the core of the Ubuntu Release Upgrader Task: standard
There are three methods to install ubuntu-release-upgrader-core 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 ubuntu-release-upgrader-core Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ubuntu-release-upgrader-core using apt-get by running the following command:
sudo apt-get -y install ubuntu-release-upgrader-core
Install ubuntu-release-upgrader-core Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ubuntu-release-upgrader-core using apt by running the following command:
sudo apt -y install ubuntu-release-upgrader-core
Install ubuntu-release-upgrader-core 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 ubuntu-release-upgrader-core using aptitude by running the following command:
sudo aptitude -y install ubuntu-release-upgrader-core
How To Uninstall ubuntu-release-upgrader-core on Ubuntu 20.04
To uninstall only the ubuntu-release-upgrader-core package we can use the following command:
sudo apt-get remove ubuntu-release-upgrader-core
Uninstall ubuntu-release-upgrader-core And Its Dependencies
To uninstall ubuntu-release-upgrader-core and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove ubuntu-release-upgrader-core
Remove ubuntu-release-upgrader-core Configurations and Data
To remove ubuntu-release-upgrader-core configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge ubuntu-release-upgrader-core
Remove ubuntu-release-upgrader-core configuration, data, and all of its dependencies
We can use the following command to remove ubuntu-release-upgrader-core configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ubuntu-release-upgrader-core
References
Summary
In this tutorial we learn how to install ubuntu-release-upgrader-core package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.