Fetching: rake-10.3.2.gem (100%)
rake's executable "rake" conflicts with /usr/local/bin/rake
Overwrite the executable? [yN] y
Successfully installed rake-10.3.2
Parsing documentation for rake-10.3.2
Installing ri documentation for rake-10.3.2
Done installing documentation for rake after 1 seconds
WARNING: Unable to pull data from 'https://rubygems.org/': Errno::ETIMEDOUT: Connection timed out - connect(2) for "s3.amazonaws.com" port 443 (https://api.rubygems.org/specs.4.8.gz)
1 gem installed
3. 再次查看 gem 列表
gao@gao-VirtualBox:/home/git/gitlab$ gem list