Document history

Last updated: August 18, 2025

This version of the guide replaces and obsoletes all previous versions.

The guide is continuously improved. Our documentation source repository is open for review; to learn about everything that has changed recently, begin by taking the repository’s pulse.

Highlights of the most recent changes are described in the table below:

Revision Date	Summary of Changes
November 22, 2018	Significant revision to Cloud Networks section. Added Gateway Instances at at Gateway Instances in Rackspace Cloud.
January 8, 2016	Added SSH Port 22 guidance to pre-production suggestions at Validating SSH configuration. Reformatted and expanded troubleshooting guidance at Troubleshooting in the cloud.
November 20, 2015	Added Hadoop, Kafka, and Trusted Analytics Platform to list of stack templates at Installing a software stack.
July 23, 2015	Added Ansible Tower to list of stack templates at Installing a software stack. Added Cloud Files as fifth core product.
June 25, 2015	Updated list of stack templates at Installing a software stack.
June 18, 2015	First publication at developer.rackspace.com.
June 1, 2015	First draft with complete content.
May 22, 2014	Begin document development.