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@aminembarki
Created April 26, 2016 15:01
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install Ruby 2.1.4 on Ubuntu 14.04
** First of all, install the prerequisite libraries: **
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
** Then install rbenv, which is used to install Ruby: **
cd
git clone git://github.com/sstephenson/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
exec $SHELL
git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
exec $SHELL
rbenv install 2.2.0
rbenv global 2.2.0
ruby -v
** Then (optional) tell Rubygems to not install local documentation: **
echo "gem: --no-ri --no-rdoc" > ~/.gemrc
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