Ubuntu initial setup

setup

# download .deb installer of nodejs 8
$ curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -

# install packages
$ sudo apt-get install -y nodejs ruby2.4 ruby2.4-dev build-essential dh-autoreconf make python3-pip libssl-dev libffi-dev python3-dev virtualenv python3-venv

# for Jekyll dev't, add two lines at end of ~/.bashrc:
export GEM_HOME=$HOME/gems
export PATH=$HOME/gems/bin:$PATH

# then run:
$ source ~/.bashrc

# install gems
$ sudo gem update
$ gem install jekyll bundler

# to start jekyll project, go to jekyll project directory, then...
$ bundle exec jekyll serve