在Linux Mint中運行jekyll時出錯17.1

Question

我剛剛在我的Linux機器上安裝了Jekyll並安裝了（我認爲）所有必需的依賴關係。當我嘗試運行jekyll serve或jekyll build時，出現下面顯示的錯誤。但是，如果我運行jekyll new "test"來創建新網站，則它工作得很好。

這裏是我接受（這是完全一樣的爲serve和build）錯誤信息：

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>' 

任何幫助將不勝感激，我是新來使用哲基爾和Ruby。

Answer 1

嘗試做一：

gem install jekyll-sitemap