This video demonstrates how to install and set up the AdWords API Ruby Client Library on Linux.
Video links:
OAuth in Ruby Client Libraries: http://goo.gl/hIx66
Details on Sandbox environment: http://goo.gl/tFwRO
All library examples: http://goo.gl/Nb5t9
AdWords API on Rails demo: http://goo.gl/Cvsfm
AdWords API Forum: http://goo.gl/PVom4
Google Ads Developer Plus Page: http://goo.gl/FUBTC