How To Install ruby-parallel on Ubuntu 18.04

In this tutorial we learn how to install ruby-parallel on Ubuntu 18.04. ruby-parallel is library to run any kind of code in parallel processes

Introduction

In this tutorial we learn how to install ruby-parallel on Ubuntu 18.04.

What is ruby-parallel

ruby-parallel is:

This package provides a Ruby library to run any code in parallel Processes (in order to use all CPUs) or Threads (to speedup blocking operations).

This is best suited for map-reduce operations or e.g. parallel downloads or uploads.

There are three methods to install ruby-parallel on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ruby-parallel Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install ruby-parallel using apt-get by running the following command:

sudo apt-get -y install ruby-parallel

Install ruby-parallel Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ruby-parallel using apt by running the following command:

sudo apt -y install ruby-parallel

Install ruby-parallel Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install ruby-parallel using aptitude by running the following command:

sudo aptitude -y install ruby-parallel

How To Uninstall ruby-parallel on Ubuntu 18.04

To uninstall only the ruby-parallel package we can use the following command:

sudo apt-get remove ruby-parallel

Uninstall ruby-parallel And Its Dependencies

To uninstall ruby-parallel and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove ruby-parallel

Remove ruby-parallel Configurations and Data

To remove ruby-parallel configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge ruby-parallel

Remove ruby-parallel configuration, data, and all of its dependencies

We can use the following command to remove ruby-parallel configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge ruby-parallel

References

Summary

In this tutorial we learn how to install ruby-parallel package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.