An excerpt from my new book, Preparing for the Certified OpenStack Administrator Exam

Configure Cloud-Init to set root password from randomly generated admin pass

Overview of cloud-init stages in Upstart and Systemd

Overview of four basic types of metadata found in an OpenStack environment

My Austin OpenStack Summit Workshop on the OpenStack Metadata Service

How to install and configure a local VirtualBox environment for the OpenStack Liberty Install Guide

RabbitMQ versions 3.3.0 and greater require a config file to allow the guest user to connect remotely

Neutron installation in Juno requires an extra step to get neutron-server service started

Configure Keystone to utilize Apache as a front-end on Ubuntu 14.04

Increase the amount of files that can be injected into an instance upon boot

Use Glance v2 API to get a file location URL

Keystone's v3 API introduces some significant features

Resizing an instance in a single compute environment

Deleting a Cloud Files container containing many objects with Pyrax and Gevent library

Outlining the Keystone PKI signing/verifying process