我是在vmware上开ubuntu写ruby的，gem的版本为2.2.2。 然而我利用gem安装package时遇到如下问题(几天以前没有该问题)： xxx@xxx-virtual-machine:/tmp$ gem install rmagick --verbose -p GET https://api.rubygems.org/latest_specs.4.8.gz 302 Moved Temporarily GET http://production.s3.rubygems.org/latest_specs.4.8.gz 304 Not Modified GET http://production.s3.rubygems.org/quick/Marshal.4.8/rmagick-2.13.2.gemspec.rz 200 OK GET https://api.rubygems.org/specs.4.8.gz 302 Moved Temporarily GET https://s3.amazonaws.com/production.s3.rubygems.org/specs.4.8.gz 304 Not Modified HEAD http://production.s3.rubygems.org/api/v1/dependencies 404 Not Found GET http://production.s3.rubygems.org/specs.4.8.gz 304 Not Modified ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError) Errno::ECONNREFUSED: Connection refused - connect(2) (https://api.rubygems.org/quick/Marshal.4.8/rmagick-2.13.2.gemspec.rz) gem sources执行如下: xxx@xxx-virtual-machine:/tmp$ gem sources *** CURRENT SOURCES *** https://rubygems.org/ http://production.s3.rubygems.org/ 用浏览器开上面的两个网址都有东西显示出来，请问如何解决这个问题，谢谢。 --

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