The main idea here is to setup a development environment with all the packages I might need.
I typed a large shell command:
sudo apt install autoconf bison build-essential libssl-dev \
libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm3 \
libgdbm-dev curl wget ruby ruby-dev libbz2-dev libyaml-dev