title: Jekyll installation, wrong number of arguments
body: <p>I am running Fedora 28. Having trouble installing Jekyll. I have all the dependencies mentioned on their installation page.</p>
  
  <pre><code>ruby -v
  ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux]
  
  gem -v
  2.5.2
  
  bundle -v
  Bundler version 1.16.1
  </code></pre>
  
  <p>When I try to install Jekyll, I am getting this - </p>
  
  <pre><code>gem install jekyll
  ERROR:  While executing gem ... (ArgumentError)
      wrong number of arguments (given 1, expected 0)
  </code></pre>
  
  <p>Running as root doesn't help either. When I run backtrace,</p>
  
  <pre><code>gem install jekyll --backtrace
  ERROR:  While executing gem ... (ArgumentError)
      wrong number of arguments (given 1, expected 0)
      /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:47:in `require'
      /usr/local/share/ruby/site_ruby/rubygems/installer.rb:162:in `initialize'
      /usr/local/share/ruby/site_ruby/rubygems/installer.rb:104:in `new'
      /usr/local/share/ruby/site_ruby/rubygems/installer.rb:104:in `at'
      /usr/local/share/ruby/site_ruby/rubygems/resolver/specification.rb:93:in `install'
      /usr/local/share/ruby/site_ruby/rubygems/request_set.rb:166:in `block in install'
      /usr/local/share/ruby/site_ruby/rubygems/request_set.rb:156:in `each'
      /usr/local/share/ruby/site_ruby/rubygems/request_set.rb:156:in `install'
      /usr/local/share/ruby/site_ruby/rubygems/commands/install_command.rb:250:in `install_gem'
      /usr/local/share/ruby/site_ruby/rubygems/commands/install_command.rb:300:in `block in install_gems'
      /usr/local/share/ruby/site_ruby/rubygems/commands/install_command.rb:296:in `each'
      /usr/local/share/ruby/site_ruby/rubygems/commands/install_command.rb:296:in `install_gems'
      /usr/local/share/ruby/site_ruby/rubygems/commands/install_command.rb:203:in `execute'
      /usr/local/share/ruby/site_ruby/rubygems/command.rb:308:in `invoke_with_build_args'
      /usr/local/share/ruby/site_ruby/rubygems/command_manager.rb:169:in `process_args'
      /usr/local/share/ruby/site_ruby/rubygems/command_manager.rb:139:in `run'
      /usr/local/share/ruby/site_ruby/rubygems/gem_runner.rb:55:in `run'
      /usr/bin/gem:21:in `&lt;main&gt;'
  </code></pre>