Jekyll - Install & Basics

#Install requirements with apt-get
apt-get install ruby ruby-dev build-essential

Do not install gems as root user

Login as user and execute following commands:

echo '# Install Ruby Gems to ~/gems' >> ~/.bashrc
echo 'export GEM_HOME=$HOME/gems' >> ~/.bashrc
echo 'export PATH=$HOME/gems/bin:$PATH' >> ~/.bashrc
source ~/.bashrc

Install Jekyll and dependencies:

gem install jekyll bundler

#update jekyll or any other gem
gem update jekyll

#update Rubygems
gem update --system

Working with Jekyll

#start a new website, named 'the_blog'
jekyll new the_blog

#build new created website
jekyll build
# => The current folder will be generated into ./_site

jekyll build --destination <destination>
# => The current folder will be generated into <destination>

jekyll build --source <source> --destination <destination>
# => The <source> folder will be generated into <destination>

jekyll build --watch
# => The current folder will be generated into ./_site,
#    watched for changes, and regenerated automatically.