How To Install ruby-em-spec on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-em-spec on Ubuntu 18.04.
What is ruby-em-spec
ruby-em-spec is:
Simple BDD API for testing asynchronous Ruby/EventMachine code.
em-spec can be used with either bacon, test unit or rspec.
See /usr/share/doc/ruby-em-spec/README.rdoc for more details on how to use it with your code.
There are three methods to install ruby-em-spec 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-spec 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-spec using apt-get by running the following command:
sudo apt-get -y install ruby-em-spec
Install ruby-em-spec Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-em-spec using apt by running the following command:
sudo apt -y install ruby-em-spec
Install ruby-em-spec 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-spec using aptitude by running the following command:
sudo aptitude -y install ruby-em-spec
How To Uninstall ruby-em-spec on Ubuntu 18.04
To uninstall only the ruby-em-spec package we can use the following command:
sudo apt-get remove ruby-em-spec
Uninstall ruby-em-spec And Its Dependencies
To uninstall ruby-em-spec 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-spec
Remove ruby-em-spec Configurations and Data
To remove ruby-em-spec configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-em-spec
Remove ruby-em-spec configuration, data, and all of its dependencies
We can use the following command to remove ruby-em-spec configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-em-spec
References
Summary
In this tutorial we learn how to install ruby-em-spec package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
