pow says: Bundler::GemNotFound: Could not find rake-0.9.2.2 in any of the sources
I guess you updated RVM and run into this known issue: https://github.com/37signals/pow/issues/271 the easiest solution is to run it in project dir: rvm env . > .powenv OR: cd /project/path # with .rvmrc rvm env > .powenv