How to Uninstall or Install happy Ubuntu 22.04

Updated: September 3, 2022

Happy is a parser generator system for Haskell, similar to the tool yacc' for C. Like yacc’, it takes a file containing an annotated BNF specification of a grammar and produces a Haskell module containing a parser for the grammar. I will show you how to install happy on Ubuntu 22.04 in this tutorial.

Requirements to install

  • OS: Ubuntu 22.04 is needed for happy to work
  • Privileges: Ascertain that you are able to execute sudo commands.

Prerequisites to install happy on Ubuntu 22.04

Install happy Ubuntu 22.04

happy is one of the popular ways on Ubuntu now so that this tutorial will show you some ways to install it. Choose the one that you think is easy and you can follow.

Install happy using APT

This is one of the most popular methods for installing Ubuntu packages because it’s easy to follow, even if you are a newbie in Linux. Following these steps to install happy on your Ubuntu.

Step 1: You must update the APT package repository cache before attempting to install, update, or remove any packages. Update the APT database to download new packages from Ubuntu. Launch the terminal and enter the following Linux command:

sudo apt-get -y update

Step 2: Start installing the packages on Ubuntu 22.04. You can now install happy Ubuntu by executing this command in the terminal.

sudo apt-get install happy

Install happy using Aptitude

Users can manage their installation, upgrade, and removal of packages with Aptitude and view a list of the packages that are currently available. You must run this command to install it if you haven’t already done so on Ubuntu.

sudo apt-get -y install aptitude

After installing it, you can now install happy by following these steps:

Step 1: The APT package repository cache needs to be updated before you try to install, update, or remove any packages. Update the APT database to download new packages from Ubuntu. Launch the terminal and enter the following Linux command:

sudo apt -y update

Step 2: Start the package installation on Ubuntu 22.04. After updating the system, you can install happy Ubuntu by pasting this command into the terminal and executing it.

sudo aptitude -y install happy

Uninstall happy on Ubuntu 22.04

Have you ever considered how challenging it might be to uninstall an application from Ubuntu? You’re wrong, anyone can easily uninstall any program, not just a happy.

You can uninstall happy on Ubuntu by running this command if you installed it using APT or Aptitude.

sudo apt remove --auto-remove happy

To uninstall happy and remove its data and dependencies, you can also use the following command:

sudo apt autoremove --purge happy

Summary

In this guide, I showed you ways to install happy on Ubuntu 22.04 and ways to uninstall happy too. Please do not hesitate to contact me if you require assistance. I’m delighted to respond.