/usr/lib/ is in ruby-azure-mgmt-redis 0.8.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/azure_mgmt_redis.rb
/usr/lib/ruby/vendor_ruby/generated/
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/day_of_week.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/export_rdbparameters.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/import_rdbparameters.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/reboot_type.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_access_keys.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_create_parameters.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_key_type.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_list_result.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_patch_schedule.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_reboot_parameters.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_regenerate_key_parameters.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_resource.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/redis_update_parameters.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/schedule_entry.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/sku.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/sku_family.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/models/sku_name.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/module_definition.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/patch_schedules.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/redis.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/redis_management_client.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis/version.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_redis.rb