How To Install nova-cells on Ubuntu 20.04
Introduction
In this tutorial we learn how to install nova-cells on Ubuntu 20.04.
What is nova-cells
nova-cells is:
OpenStack is a reliable cloud infrastructure. Its mission is to produce the ubiquitous cloud computing platform that will meet the needs of public and private cloud providers regardless of size, by being simple to implement and massively scalable.
OpenStack Compute, codenamed Nova, is a cloud computing fabric controller. In addition to its “native” API (the OpenStack API), it also supports the Amazon EC2 API.
Nova is intended to be modular and easy to extend and adapt. It supports many different hypervisors (KVM and Xen to name a few), different database backends (SQLite, MySQL, and PostgreSQL, for instance), different types of user databases (LDAP or SQL), etc.
This is the Nova cells component.
Package: nova-cells Architecture: all Version: 2:21.0.0~b3~git2020041013.57ff308d6d-0ubuntu2 Priority: extra Section: universe/net Source: nova Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Openstack Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 57 Depends: python3-nova (= 2:21.0.0~b3~git2020041013.57ff308d6d-0ubuntu2) Filename: pool/universe/n/nova/nova-cells_21.0.0~b3~git2020041013.57ff308d6d-0ubuntu2_all.deb Size: 5636 MD5sum: bf46f032d76fbc30da6acc25124ce77e SHA1: 3dbff9b32ac2606965fe45bd71c26e73aaa12f04 SHA256: a9ea9d3be7e3d0d235bc43a157134e5eec99f4ea7f8369cc465bd61c787c96b2 Homepage: https://launchpad.net/nova Description-en: Openstack Compute - cells OpenStack is a reliable cloud infrastructure. Its mission is to produce the ubiquitous cloud computing platform that will meet the needs of public and private cloud providers regardless of size, by being simple to implement and massively scalable.
OpenStack Compute, codenamed Nova, is a cloud computing fabric controller. In addition to its “native” API (the OpenStack API), it also supports the Amazon EC2 API.
Nova is intended to be modular and easy to extend and adapt. It supports many different hypervisors (KVM and Xen to name a few), different database backends (SQLite, MySQL, and PostgreSQL, for instance), different types of user databases (LDAP or SQL), etc.
This is the Nova cells component.
There are three methods to install nova-cells 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 nova-cells Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install nova-cells using apt-get by running the following command:
sudo apt-get -y install nova-cells
Install nova-cells Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install nova-cells using apt by running the following command:
sudo apt -y install nova-cells
Install nova-cells 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 nova-cells using aptitude by running the following command:
sudo aptitude -y install nova-cells
How To Uninstall nova-cells on Ubuntu 20.04
To uninstall only the nova-cells package we can use the following command:
sudo apt-get remove nova-cells
Uninstall nova-cells And Its Dependencies
To uninstall nova-cells and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove nova-cells
Remove nova-cells Configurations and Data
To remove nova-cells configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge nova-cells
Remove nova-cells configuration, data, and all of its dependencies
We can use the following command to remove nova-cells configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge nova-cells
References
Summary
In this tutorial we learn how to install nova-cells package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
