How To Install ruby-em-hiredis on Ubuntu 18.04

In this tutorial we learn how to install ruby-em-hiredis on Ubuntu 18.04. ruby-em-hiredis is fast and simple Redis client for EventMachine

Introduction

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

What is ruby-em-hiredis

ruby-em-hiredis is:

A Redis client for EventMachine designed to be fast and simple.

Features:

  • uses the C hiredis library to parse redis replies
  • convenient API for pubsub
  • expose the state of underlying redis connections so that custom failover logic can be written outside the library

There are three methods to install ruby-em-hiredis 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-em-hiredis 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-em-hiredis using apt-get by running the following command:

sudo apt-get -y install ruby-em-hiredis

Install ruby-em-hiredis Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-em-hiredis

Install ruby-em-hiredis 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-em-hiredis using aptitude by running the following command:

sudo aptitude -y install ruby-em-hiredis

How To Uninstall ruby-em-hiredis on Ubuntu 18.04

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

sudo apt-get remove ruby-em-hiredis

Uninstall ruby-em-hiredis And Its Dependencies

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

sudo apt-get -y autoremove ruby-em-hiredis

Remove ruby-em-hiredis Configurations and Data

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

sudo apt-get -y purge ruby-em-hiredis

Remove ruby-em-hiredis configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ruby-em-hiredis

References

Summary

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