/usr/lib/ruby/ is in ruby-fog-cloudatcost 0.2.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/fog/
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/compute.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/core.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/examples/
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/examples/getting_started.md
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/models/
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/models/server.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/models/servers.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/models/task.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/models/tasks.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/models/template.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/models/templates.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/console.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/create_server.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/delete_server.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/list_servers.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/list_tasks.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/list_templates.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/power_off.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/power_on.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/rename_server.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/reset.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/reverse_dns.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/requests/run_mode.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost/version.rb
/usr/lib/ruby/vendor_ruby/fog/cloudatcost.rb