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The spell that the West has always exercised on the American people had its most intense impact on American literature and thought during the nineteenth century. Henry Nash Smith shows, with vast comprehension, the influence of the nineteenth-century West in all its variety and strength, in special relation to social, economic, cultural, and political forces. He traces the myths and symbols of the Westward movement such as the general notion of a Westward-moving Course of Empire, the Wild Western hero, the virtuous yeoman-farmer--in such varied nineteenth-century writings as Leaves of...

Keystone--OpenStack's Identity service--provides secure controlled access to a cloud's resources. In OpenStack environments, Keystone performs many vital functions, such as authenticating users and determining what resources users are authorized to access.

Whether the cloud is private, public, or dedicated, access to cloud resources and security is essential. This practical guide to using Keystone provides detailed, step-by-step guidance to creating a secure cloud environment at the Infrastructure-as-a-Service layer--as well as key practices for safeguarding your cloud's ongoing...