How To Install nova-compute-xen on Ubuntu 18.04
Introduction
In this tutorial we learn how to install nova-compute-xen
on Ubuntu 18.04.
What is nova-compute-xen
nova-compute-xen 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.
Install this package on your compute nodes if you’re using Xen.
There are three methods to install nova-compute-xen
on Ubuntu 18.04. 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-compute-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 nova-compute-xen
using apt-get
by running the following command:
sudo apt-get -y install nova-compute-xen
Install nova-compute-xen Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install nova-compute-xen
using apt
by running the following command:
sudo apt -y install nova-compute-xen
Install nova-compute-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 nova-compute-xen
using aptitude
by running the following command:
sudo aptitude -y install nova-compute-xen
How To Uninstall nova-compute-xen on Ubuntu 18.04
To uninstall only the nova-compute-xen
package we can use the following command:
sudo apt-get remove nova-compute-xen
Uninstall nova-compute-xen And Its Dependencies
To uninstall nova-compute-xen
and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove nova-compute-xen
Remove nova-compute-xen Configurations and Data
To remove nova-compute-xen
configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge nova-compute-xen
Remove nova-compute-xen configuration, data, and all of its dependencies
We can use the following command to remove nova-compute-xen
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge nova-compute-xen
References
Summary
In this tutorial we learn how to install nova-compute-xen
package on Ubuntu 18.04 using different package management tools: apt
, apt-get
and aptitude
.