berkshelf的样本不起作用

Question

我根据例子检查了Berkshelf的操作。

http://berkshelf.com/

显示消息并且无法连接。

我应该检查什么？

C:\test\my-cookbook\myapp>berks install
Resolving cookbook dependencies...
Fetching 'myapp' from source at .
Fetching cookbook index from https://supermarket.getchef.com...
C:/opscode/chefdk/embedded/lib/ruby/2.0.0/net/http.rb:918:in `connect': SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (Faraday::SSLError)
        from C:/opscode/chefdk/embedded/lib/ruby/2.0.0/net/http.rb:918:in `block in connect'
        from C:/opscode/chefdk/embedded/lib/ruby/2.0.0/timeout.rb:66:in `timeout'
        from C:/opscode/chefdk/embedded/lib/ruby/2.0.0/net/http.rb:918:in `connect'
        from C:/opscode/chefdk/embedded/lib/ruby/2.0.0/net/http.rb:862:in `do_start'