sass是要装在ubuntu里面还是OS X里面？

gem install sass 命令一直出错，不太清楚什么原因。

上一个问题的报错信息是：

admins-Mac:~ liuduanchn$ gem install sass

ERROR:  Could not find a valid gem 'sass' (>= 0), here is why:

          Unable to download data from https://rubygems.org/ - Errno::ETIMEDOUT: Operation timed out - connect(2) (https://rubygems.org/latest_specs.4.8.gz)

admins-Mac:~ liuduanchn$ gem install sass

ERROR:  Could not find a valid gem 'sass' (>= 0), here is why:

          Unable to download data from https://rubygems.org/ - Errno::ECONNRESET: Connection reset by peer - SSL_connect (https://rubygems.org/quick/Marshal.4.8/sass-3.4.13.gemspec.rz)

ERROR:  Possible alternatives: sass