安装jekyll

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更新ruby

curl --progress http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.2.tar.gz | tar xz
cd ruby-2.1.2
./configure
make 
make install 
yum install openssl
yum install ruby-devel

安装rubygems

wget https://rubygems.org/rubygems/rubygems-2.4.8.zip
unzip rubygems-2.4.8.zip
cd rubygems-2.4.8
ruby setup.rb 

修改gem源

gem sources -a https://ruby.taobao.org/
gem sources -r https://rubygems.org/

安装jekyll

gem install jekyll