How To Install alex on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
2 minutes • 362 words
Introduction
In this tutorial we learn how to install alex on Ubuntu.
What is alex
alex is:
Alex is a tool for generating lexical analysers in Haskell, given a description of the tokens to be recognised in the form of regular expressions. It is similar to the tool lex or flex for C/C++.
There are three methods to install alex on Ubuntu. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install alex Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install alex using apt-get by running the following command:
sudo apt-get -y install alex
Install alex Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install alex using apt by running the following command:
sudo apt -y install alex
Install alex 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 alex using aptitude by running the following command:
sudo aptitude -y install alex
How To Uninstall alex on Ubuntu
To uninstall only the alex package we can use the following command:
sudo apt-get remove alex
Uninstall alex And Its Dependencies
To uninstall alex and its dependencies that are no longer needed by Ubuntu, we can use the command below:
sudo apt-get -y autoremove alex
Remove alex Configurations and Data
To remove alex configuration and data from Ubuntu we can use the following command:
sudo apt-get -y purge alex
Remove alex configuration, data, and all of its dependencies
We can use the following command to remove alex configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge alex
Dependencies
alex have the following dependencies:
References
Summary
In this tutorial we learn how to install alex package on Ubuntu using different package management tools: apt, apt-get and aptitude.