How To Install units on Ubuntu 18.04
Introduction
In this tutorial we learn how to install units on Ubuntu 18.04.
What is units
units is:
GNU ‘units’ program converts quantities expressed in various scales to their equivalents in other scales. The ‘units’ program can only handle multiplicative scale changes directly. It uses a functional notation for non-proportional conversions such a Fahrenheit temperature to Celsius temperature.
This package includes the units_cur script to update currency conversion information; this script requires a Python 3 interpreter and the python3-requests library.
There are three methods to install units 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 units Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install units using apt-get by running the following command:
sudo apt-get -y install units
Install units Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install units using apt by running the following command:
sudo apt -y install units
Install units 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 units using aptitude by running the following command:
sudo aptitude -y install units
How To Uninstall units on Ubuntu 18.04
To uninstall only the units package we can use the following command:
sudo apt-get remove units
Uninstall units And Its Dependencies
To uninstall units and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove units
Remove units Configurations and Data
To remove units configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge units
Remove units configuration, data, and all of its dependencies
We can use the following command to remove units configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge units
References
Summary
In this tutorial we learn how to install units package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.