安装ruby on rails应用程序时出现错误，未初始化常量Gem::BasicSpecification (Name

Question

我试图在Ubuntu服务器上安装ruby on rails应用程序fedena。

它使用一些旧的ruby库。我按照

上的说明操作http://paritosh.passion8.co.in/post/49878771105/fedena-installation-guide

 gem install rubygems-update -v=1.3.7
/usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:43:in `<top (required)>': uninitialized constant Gem::BasicSpecification (NameError)
        from /usr/local/lib/site_ruby/2.3.0/rubygems.rb:1113:in `require'
        from /usr/local/lib/site_ruby/2.3.0/rubygems.rb:1113:in `<top (required)>'
        from <internal:gem_prelude>:4:in `require'
        from <internal:gem_prelude>:4:in `<internal:gem_prelude>'

Answer 1

如果使用RVM，则运行

rvm install rubygems 1.3.7