How To Install ruby-haml on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-haml on Ubuntu 18.04.
What is ruby-haml
ruby-haml is:
Haml (HTML Abstraction Markup Language) is a layer on top of XHTML or XML that’s designed to express the structure of XHTML or XML documents in a non-repetitive, elegant, easy way, using indentation rather than closing tags and allowing Ruby to be embedded with ease.
It was originally envisioned as a plugin for Ruby on Rails, but it can function as a stand-alone templating engine.
There are three methods to install ruby-haml 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-haml 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-haml using apt-get by running the following command:
sudo apt-get -y install ruby-haml
Install ruby-haml Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-haml using apt by running the following command:
sudo apt -y install ruby-haml
Install ruby-haml 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-haml using aptitude by running the following command:
sudo aptitude -y install ruby-haml
How To Uninstall ruby-haml on Ubuntu 18.04
To uninstall only the ruby-haml package we can use the following command:
sudo apt-get remove ruby-haml
Uninstall ruby-haml And Its Dependencies
To uninstall ruby-haml and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-haml
Remove ruby-haml Configurations and Data
To remove ruby-haml configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-haml
Remove ruby-haml configuration, data, and all of its dependencies
We can use the following command to remove ruby-haml configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-haml
References
Summary
In this tutorial we learn how to install ruby-haml package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
