Eu instalei o jekyll usando jekyll procedimento de instalação no Ubuntu 14.04 lts
Depois disso, para verificar se está instalado, executo os seguintes comandos e obtenho isso,
jekyll -v and gets
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in 'require': iconv will be deprecated in the future, use String#encode instead.
Jekyll 0.11.2
gem -v and gets
1.8.23
ruby -v and gets
ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux]
jekyll new blog
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in 'require': iconv will be deprecated in the future, use String#encode instead.
WARNING: Could not read configuration. Using defaults (and options).
No such file or directory - new/_config.yml
Building site: new -> blog
/usr/lib/ruby/vendor_ruby/jekyll/site.rb:126:in 'chdir': No such file or directory - /home/muhammadtaqi/Projects/Open_Source/new/ (Errno::ENOENT)
from /usr/lib/ruby/vendor_ruby/jekyll/site.rb:126:in 'read_directories'
from /usr/lib/ruby/vendor_ruby/jekyll/site.rb:98:in 'read'
from /usr/lib/ruby/vendor_ruby/jekyll/site.rb:38:in 'process'
from /usr/bin/jekyll:250:in '<main>'