Install Ruby
We can directly use gem to install Ruby，but Ruby on ubuntu14.14 are at 1.9 version, higher than 2.2 version is expected.
download ruby package.I chosed the version 2.3.0.
Clicke the link to download it or use wget :
wget https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0.tar.gzutar it to /opt/
tar -xvfz ruby-2.3.0.tar.gzchange workdir to ruby-2.3.0，configure， make， make install
./configure
make
sudo make installCheck the installed version
$ /opt/ruby-2.3.0$ ruby -v
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-linux]
Install rubygems
Download it from official site ， or use git.
cd ~/Downloads/ && git clone https://github.com/rubygems/rubygems.git
after downloading, switch to the director and run:
ruby setup.rb
Install jekyll
sudo gem install jekyll
May there be some error :
ERROR: Loading command: update (LoadError)
cannot load such file -- zlib
ERROR: While executing gem ... (NoMethodError)
undefined method `invoke_with_build_args' for nil:NilClass
Get into ruby-xx/ext/zlib/ , run the command below:
ruby extconf.rb
make
sudo make install
And we may meet other problem, Install sql related package:
sudo apt-get install libmysqlclient-dev
if still be error like:
ERROR: While executing gem ... (Gem::Exception)
Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources
run the command below:
gem source -r https://rubygems.org/
gem source -a http://rubygems.org/
Then install jekyll
sudo gem install jekyll
after that, check the jekyll version
jekyll -v
Jekyll 3.1.3
