查看默认源
gem sources -l配置代理
修改文件/usr/bin/gem
begin
args += ['--http-proxy','http://x.x.x.x:port']
Gem::GemRunner.new.run args
rescue Gem::SystemExitException => e
exit e.exit_code
end修改默认源
gem sources -r https://rubygems.org/ -a https://gems.ruby-china.com/
bundle config mirror.https://rubygems.org https://gems.ruby-china.com