Check the docs

site.url                      ""
site.baseurl                  ""    
site.blogurl                  "/blog"  
site.name                     "Dr Christian Geuer-Pollmann"
site.description              "Christian Geuer-Pollmann's Blog"
site.port                     "4000"    
site.host                     "127.0.0.1"    
site.encoding                 "UTF-8"   
site.timezone                 ""
site.safe                     "true" 
site.lsi                      "false"
site.markdown                 "kramdown"   
site.markdown_ext             "md,markdown"       
site.pygments                 ""   
site.blogpageprefix           "/blog/page"
site.paginate_path            "/blog/page:num"
site.permalink                "/blog/:year/:month/:day/:title/"
site.source                   "/page-build/repo"
site.destination              "/page-build/site-source-pagesjekyll-ftw"    
site.exclude                  "node_modulesvendor/bundle/vendor/cache/vendor/gems/vendor/ruby/"    
site.include                  ".htaccess"    
site.encoding                 "UTF-8"    
site.detach                   "false"    
site.blogpageprefix           "/blog/page"
site.paginate                 "2"
site.future                   "true"    
site.show_drafts              ""    
site.limit_posts              "0"    
comments by Disqus