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09 - Install and configure Nova on the controller node

This document describes how to install and configure the Compute service (Nova) on the controller node (controller01). Prerequisites Before starting, make sure you have the basic Keystone credentials and databases created (admin-openrc available). Create the databases (on controller01) Connect to the SQL server as root to create the necessary databases: vagrant@controller01:~$ sudo mysql Create the nova_api, nova, and nova_cell0 databases: CREATE DATABASE nova_api; CREATE DATABASE nova; CREATE DATABASE nova_cell0; Grant permissions to the nova account (replace NOVA_DBPASS with your password):

Sunday, November 23, 2025 | 3 minutes Read
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10 - Install and configure Nova on compute nodes

On this page I configure a compute node (for example compute01) so it can run instances with Nova. I use QEMU/KVM when the hardware supports it; if not, I configure pure QEMU. Before starting, make sure you have: Added the controller name and IP in /etc/hosts on the compute node. Service credentials (admin-openrc) and access to the database server. Install and configure the components (on the compute node) vagrant@compute01:~$ sudo apt install nova-compute -y Edit /etc/nova/nova.conf and point the connection strings to the controller databases:

Sunday, November 23, 2025 | 2 minutes Read