sosedoff/lxc-ruby — pull request #7 by nysa (2013-02-23 16:52:10+00:00)
Title: Container#cpu_usage and Container#cpu_shares should return nil if Container#run command returns nil

NoMethodError - undefined method `strip' for nil:NilClass - is thrown
when calling Container#cpu_usage and Container#cpu_shares if
Container#run returns nil.