How to Install Ruby, Redis & RabbitMQ on Ubuntu20.04

ruby_redis_rabbitmq.sh

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#!/bin/bash
sudo apt-get purge ruby
sudo rm -rf /usr/local/lib/ruby
sudo rm -rf /usr/lib/ruby
sudo rm -f /usr/local/bin/ruby
sudo rm -f /usr/bin/ruby
sudo rm -f /usr/local/bin/irb
sudo rm -f /usr/bin/irb
sudo rm -f /usr/local/bin/gem
sudo rm -f /usr/bin/gem
sudo apt update -y
sudo apt upgrade -y
sudo reboot
sudo apt update
sudo apt-get upgrade -y
apt-get clean all
apt-get update
apt-get upgrade
sudo apt-get update && apt-get upgrade
curl -sL https://github.com/rbenv/rbenv-installer/raw/master/bin/rbenv-installer | bash -
echo ‘export PATH=”$HOME/ .rbenv/bin:$PATH”’ >> ~/.bashrc
source ~/.bashrc
rbenv install 2.5.1
ruby –v