How To Install nova-compute-qemu on Ubuntu 18.04
Introduction
In this tutorial we learn how to install nova-compute-qemu on Ubuntu 18.04.
What is nova-compute-qemu
nova-compute-qemu 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 QEmu.
There are three methods to install nova-compute-qemu 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-qemu 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-qemu using apt-get by running the following command:
sudo apt-get -y install nova-compute-qemu
Install nova-compute-qemu Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install nova-compute-qemu using apt by running the following command:
sudo apt -y install nova-compute-qemu
Install nova-compute-qemu 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-qemu using aptitude by running the following command:
sudo aptitude -y install nova-compute-qemu
How To Uninstall nova-compute-qemu on Ubuntu 18.04
To uninstall only the nova-compute-qemu package we can use the following command:
sudo apt-get remove nova-compute-qemu
Uninstall nova-compute-qemu And Its Dependencies
To uninstall nova-compute-qemu 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-qemu
Remove nova-compute-qemu Configurations and Data
To remove nova-compute-qemu configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge nova-compute-qemu
Remove nova-compute-qemu configuration, data, and all of its dependencies
We can use the following command to remove nova-compute-qemu configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge nova-compute-qemu
References
Summary
In this tutorial we learn how to install nova-compute-qemu package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
