vagrant-librarian-chef 需要 ruby 版本 >= 2.0 public_suffix in ubuntu

vagrant-librarian-chef requires ruby version >= 2.0 public_suffix in ubuntu

我尝试 运行 以下命令: vagrant plugin install vagrant-librarian-chef

Installing the 'vagrant-librarian-chef' plugin. This can take a few minutes...
/usr/lib/ruby/1.9.1/rubygems/installer.rb:388:in `ensure_required_ruby_version_met': public_suffix requires Ruby version >= 2.0. (Gem::InstallError)
    from /usr/lib/ruby/1.9.1/rubygems/installer.rb:156:in `install'
    from /usr/lib/ruby/1.9.1/rubygems/dependency_installer.rb:297:in `block in install'
    from /usr/lib/ruby/1.9.1/rubygems/dependency_installer.rb:270:in `each'
    from /usr/lib/ruby/1.9.1/rubygems/dependency_installer.rb:270:in `each_with_index'
    from /usr/lib/ruby/1.9.1/rubygems/dependency_installer.rb:270:in `install'
    from /usr/share/vagrant/plugins/commands/plugin/action/install_gem.rb:65:in `block in call'
    from /usr/share/vagrant/plugins/commands/plugin/gem_helper.rb:42:in `block in with_environment'
    from /usr/lib/ruby/1.9.1/rubygems/user_interaction.rb:40:in `use_ui'
    from /usr/share/vagrant/plugins/commands/plugin/gem_helper.rb:41:in `with_environment'
    from /usr/share/vagrant/plugins/commands/plugin/action/install_gem.rb:52:in `call'
    from /usr/lib/ruby/vendor_ruby/vagrant/action/warden.rb:34:in `call'
    from /usr/share/vagrant/plugins/commands/plugin/action/bundler_check.rb:20:in `call'
    from /usr/lib/ruby/vendor_ruby/vagrant/action/warden.rb:34:in `call'
    from /usr/lib/ruby/vendor_ruby/vagrant/action/builder.rb:116:in `call'
    from /usr/lib/ruby/vendor_ruby/vagrant/action/runner.rb:69:in `block in run'
    from /usr/lib/ruby/vendor_ruby/vagrant/util/busy.rb:19:in `busy'
    from /usr/lib/ruby/vendor_ruby/vagrant/action/runner.rb:69:in `run'
    from /usr/share/vagrant/plugins/commands/plugin/command/base.rb:17:in `action'
    from /usr/share/vagrant/plugins/commands/plugin/command/install.rb:27:in `execute'
    from /usr/share/vagrant/plugins/commands/plugin/command/root.rb:56:in `execute'
    from /usr/lib/ruby/vendor_ruby/vagrant/cli.rb:38:in `execute'
    from /usr/lib/ruby/vendor_ruby/vagrant/environment.rb:484:in `cli'
    from /usr/bin/vagrant:127:in `<main>'

我正在 Ubuntu 14.04 上试用 我已经能够成功安装以下 vagrant 插件:

  1. vagrant-vbguest
  2. 无业游民
  3. 流浪触发器
  4. vagrant-hostmanager

据我所知,您正在使用 ruby 1.9.1 并且错误消息是该插件至少需要 ruby 2.0

尝试将 ruby 更新到较新的版本。还可以尝试使用 rbenv 之类的工具来管理多个 ruby 版本,以防将来的项目需要 ruby 1.9.1