rbenv is a Ruby Version Management tool with a very small footprint. There are other version management tools available for ruby like rvm, but I prefer rbenv because I noticed that rvm slows down my shell. What a version management tool do is it allows you to install multiple version of the software and you can switch to any of the versions you require for the work you are doing.
This guide will help you in installing Ruby on your Ubuntu 17.04 desktop using rbenv. First step is to install dependencies for ruby. To do so, execute below commands in your terminal.
sudo apt-get update sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-software-properties libffi-dev nodejs
Now, to install rbenv, execute below commonds in terminal.
cd git clone https://github.com/rbenv/rbenv.git ~/.rbenv echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc echo 'eval "$(rbenv init -)"' >> ~/.bashrc exec $SHELL
Now, execute below commands to install
git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc exec $SHELL
And, final step is to install
ruby, execute below commands for installing ruby, you can replace the version numbers with the version you want to install. I am installing latest stable version which is 2.4.1
rbenv install 2.4.1 rbenv global 2.4.1
That’s it, you are done. Now you can execute below commond to check the active version of ruby installed in your system.