Get started with Jekyll on Debian Jessie

sudo apt-get install curl
mkdir /tmp/rvm && cd $_

# Install mpapis public key (might need `gpg2` and or `sudo`)

gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3

# Download the installer

wget https://raw.githubusercontent.com/rvm/rvm/master/binscripts/rvm-installer
wget https://raw.githubusercontent.com/rvm/rvm/master/binscripts/rvm-installer.asc

# Verify the installer signature (might need `gpg2`), and if it validates...

gpg --verify rvm-installer.asc

# Run the installer

bash rvm-installer stable

source ~/.rvm/scripts/rvm
rvm list known

# before

ruby -v
which ruby
# install

rvm install 2.2
rvm use --default 2.2
# after

ruby -v
which ruby

export PATH="$PATH:$HOME/.rvm/bin" # Add RVM to PATH for scripting

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*

gem install jekyll
gem install jekyll-paginate jekyll-sitemap
gem install octopress -v 3.0.12.pre.1
gem install octopress-deploy octopress-hooks octopress-escape-code
gem install coderay pygments redcarpet titlecase
gem install sass -v 3.4.5
gem install glynn --source http://gemcutter.org

jekyll build