How To Install whiptail on Ubuntu 18.04
Introduction
In this tutorial we learn how to install whiptail on Ubuntu 18.04.
What is whiptail
whiptail is:
Whiptail is a “dialog” replacement using newt instead of ncurses. It provides a method of displaying several different types of dialog boxes from shell scripts. This allows a developer of a script to interact with the user in a much friendlier manner.
There are three methods to install whiptail 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 whiptail Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install whiptail using apt-get by running the following command:
sudo apt-get -y install whiptail
Install whiptail Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install whiptail using apt by running the following command:
sudo apt -y install whiptail
Install whiptail 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 whiptail using aptitude by running the following command:
sudo aptitude -y install whiptail
How To Uninstall whiptail on Ubuntu 18.04
To uninstall only the whiptail package we can use the following command:
sudo apt-get remove whiptail
Uninstall whiptail And Its Dependencies
To uninstall whiptail and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove whiptail
Remove whiptail Configurations and Data
To remove whiptail configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge whiptail
Remove whiptail configuration, data, and all of its dependencies
We can use the following command to remove whiptail configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge whiptail
References
Summary
In this tutorial we learn how to install whiptail package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
