How To Install nova-cert on Debian 9

In this tutorial we learn how to install nova-cert on Debian 9. nova-cert is OpenStack Compute - certificate manager

Introduction

In this tutorial we learn how to install nova-cert on Debian 9.

What is nova-cert

nova-cert 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 designed to be modular and easy to extend and adapt. In addition to its “native” OpenStack API, it also supports the Amazon EC2 API, and it supports many different database backends (including SQLite, MySQL, and PostgreSQL), hypervisors (KVM, Xen), and user directory systems (LDAP, SQL).

This package provides the certificate manager. This enables the generation and revocation of X.509 certificates used to access the platform.

There are three methods to install nova-cert on Debian 9. 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-cert 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-cert using apt-get by running the following command:

sudo apt-get -y install nova-cert

Install nova-cert Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install nova-cert using apt by running the following command:

sudo apt -y install nova-cert

Install nova-cert 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install nova-cert using aptitude by running the following command:

sudo aptitude -y install nova-cert

How To Uninstall nova-cert on Debian 9

To uninstall only the nova-cert package we can use the following command:

sudo apt-get remove nova-cert

Uninstall nova-cert And Its Dependencies

To uninstall nova-cert and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove nova-cert

Remove nova-cert Configurations and Data

To remove nova-cert configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge nova-cert

Remove nova-cert configuration, data, and all of its dependencies

We can use the following command to remove nova-cert configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge nova-cert

Dependencies

nova-cert have the following dependencies:

References

Summary

In this tutorial we learn how to install nova-cert package on Debian 9 using different package management tools: apt, apt-get and aptitude.