我只是在我的Linux机器上安装了Jekyll并安装（我认为）所有必要的依赖项。当我尝试运行jekyll serve或jekyll build时，我收到下面显示的错误。但是，如果我运行jekyll new "test"来创建新网站，它就可以正常工作。
以下是我收到的错误消息（serve和build完全相同）：
Configuration file: /home/michael/Dev/github-site/_config.yml
/home/michael/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- jekyll-sitemap (LoadError)
from /home/michael/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/plugin_manager.rb:29:in `block in require_gems'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/plugin_manager.rb:26:in `each'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/plugin_manager.rb:26:in `require_gems'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/plugin_manager.rb:19:in `conscientious_require'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/site.rb:79:in `setup'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/site.rb:41:in `initialize'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/commands/build.rb:29:in `new'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/commands/build.rb:29:in `process'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/lib/jekyll/commands/build.rb:18:in `block (2 levels) in init_with_program'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `call'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `block in execute'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `each'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/mercenary-0.3.5/lib/mercenary/command.rb:220:in `execute'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/mercenary-0.3.5/lib/mercenary/program.rb:42:in `go'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/mercenary-0.3.5/lib/mercenary.rb:19:in `program'
from /home/michael/.rvm/gems/ruby-2.2.0/gems/jekyll-2.5.3/bin/jekyll:20:in `<top (required)>'
from /home/michael/.rvm/gems/ruby-2.2.0/bin/jekyll:23:in `load'
from /home/michael/.rvm/gems/ruby-2.2.0/bin/jekyll:23:in `<main>'
from /home/michael/.rvm/gems/ruby-2.2.0/bin/ruby_executable_hooks:15:in `eval'
from /home/michael/.rvm/gems/ruby-2.2.0/bin/ruby_executable_hooks:15:in `<main>'
非常感谢任何帮助，我是使用Jekyll和Ruby的新手。
答案 0 :(得分：2)
尝试做：
gem install jekyll-sitemap