Ruby镜像指向Ruby China

检查镜像

gem sources -l

结果打印

*** CURRENT SOURCES ***

https://ruby.taobao.org/

删除源

gem sources --remove (上面打印的URL：https://ruby.taobao.org/)

删除不掉 是没有权限 + sudo

sudo gem sources --remove (上面打印的URL：https://ruby.taobao.org/)

Password: 输入密码
提示：你的这个源 removed from sources 删除成功

这时候添加新源

sudo gem sources --add https://gems.ruby-china.com/

打印结果 https://gems.ruby-china.com/ added to sources

检查结果

sudo gem sources -l

结果打印

*** CURRENT SOURCES ***

https://gems.ruby-china.com/

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