rubygems Getting started with rubygems Installation on Linux

Example

Make sure you have ruby installed before installing rubygems, and then:

Installing RubyGems Using apt-get on Ubuntu

sudo apt-get install rubygems

Installing RubyGems Using yum

sudo yum install rubygems

Manual Installation Method

wget https://rubygems.org/rubygems/rubygems-2.6.6.tgz
tar xvf rubygems-2.6.6.tgz
cd rubygems-2.6.6
sudo ruby setup.rb