安装“jekyll”后无法使用“vagrant”,错误为“找不到 gem vagrant”
安装后杰基尔和gem install jekyll我的流浪汉命令失败,显示: $ vagrant up /usr/lib/ruby/vendor_ruby/rubygems.rb:265:in `find_spec_for_exe': can't find gem vagrant (>= 0.a) with executable vagrant (Gem::GemNotFoundException) from /usr/lib/ruby/vendor_ruby/rubygems.rb:284:in `activate_bin_path' ...